2006 United States House of Representatives elections in Massachusetts

Massachusetts's 1st congressional district is a United States congressional district located in the western and central part of Massachusetts. The state's largest congressional district in area, it covers about one-third of the state and is more rural than the rest. It has the state's highest point, Mount Greylock; the district includes the cities of Springfield, West Springfield, Pittsfield, Holyoke, Agawam, Chicopee and Westfield.

John Walter Olver was an American politician and chemist who was the U.S. representative for Massachusetts's 1st congressional district from 1991 to 2013. Raised on a farm in Pennsylvania, Olver graduated from college at the age of 18 and went on to earn a PhD in chemistry from the Massachusetts Institute of Technology and later taught chemistry at the University of Massachusetts Amherst for eight years.

The Democratic Party is one of two major contemporary political parties in the United States. Founded in 1828, it was predominantly built by Martin Van Buren, who assembled politicians in every state behind war hero Andrew Jackson, making it the world's oldest active political party. Its main political rival has been the Republican Party since the 1850s, with both parties being big tents of competing and often opposing viewpoints. Modern American liberalism — a variant of social liberalism — is the party's majority ideology. The party also has notable centrist, social democratic, and left-libertarian factions.

Massachusetts's 2nd congressional district is located in central Massachusetts. It contains the cities of Worcester, which is the second-largest city in New England after Boston, and Northampton in the Pioneer Valley. It is represented by Democrat Jim McGovern.

Richard Edmund Neal is an American politician serving as the U.S. representative for Massachusetts's 1st congressional district since 1989. The district, numbered as the 2nd district from 1989 to 2013, includes Springfield, West Springfield, Pittsfield, Holyoke, Agawam, Chicopee and Westfield, and is much more rural than the rest of the state. A member of the Democratic Party, Neal has been the dean of Massachusetts's delegation to the United States House of Representatives since 2013, and he is also the dean of the New England House delegations.

The Democratic Party is one of two major contemporary political parties in the United States. Founded in 1828, it was predominantly built by Martin Van Buren, who assembled politicians in every state behind war hero Andrew Jackson, making it the world's oldest active political party. Its main political rival has been the Republican Party since the 1850s, with both parties being big tents of competing and often opposing viewpoints. Modern American liberalism — a variant of social liberalism — is the party's majority ideology. The party also has notable centrist, social democratic, and left-libertarian factions.

Massachusetts's 4th congressional district is located mostly in southern Massachusetts. It is represented by Democrat Jake Auchincloss. Auchincloss was first elected in 2020.

Barnett Frank is a former American politician. He served as a member of the U.S. House of Representatives from Massachusetts from 1981 to 2013. A Democrat, Frank served as chairman of the House Financial Services Committee from 2007 to 2011 and was a leading co-sponsor of the 2010 Dodd–Frank Act. Frank, a resident of Newton, Massachusetts, was considered the most prominent gay politician in the United States during his time in Congress.

The South Coast of Massachusetts is the region of southeastern Massachusetts consisting of the southern Bristol and Plymouth counties, bordering Buzzards Bay, and includes the cities of Fall River, New Bedford, the southeastern tip of East Taunton and nearby towns. The term is recent, dating to the 1990s, and sometimes confused with the South Shore.

The Democratic Party is one of two major contemporary political parties in the United States. Founded in 1828, it was predominantly built by Martin Van Buren, who assembled politicians in every state behind war hero Andrew Jackson, making it the world's oldest active political party. Its main political rival has been the Republican Party since the 1850s, with both parties being big tents of competing and often opposing viewpoints. Modern American liberalism — a variant of social liberalism — is the party's majority ideology. The party also has notable centrist, social democratic, and left-libertarian factions.

Massachusetts's 5th congressional district is a congressional district in eastern Massachusetts. The district is represented by Katherine Clark.

Martin Thomas Meehan is an American academic administrator, politician, and attorney. Since July 2015, Meehan has served as the President of the University of Massachusetts after serving as Chancellor of the University of Massachusetts Lowell since September 2007.

The University of Massachusetts Lowell is a public research university in Lowell, Massachusetts, with a satellite campus in Haverhill, Massachusetts. It is the northernmost member of the University of Massachusetts public university system and has been accredited by the New England Commission of Higher Education (NECHE) since 1975. With 1,110 faculty members and over 18,000 students, it is the largest university in the Merrimack Valley and the second-largest public institution in the state. It is classified among "R2: Doctoral Universities – High research activity".

The Democratic Party is one of two major contemporary political parties in the United States. Founded in 1828, it was predominantly built by Martin Van Buren, who assembled politicians in every state behind war hero Andrew Jackson, making it the world's oldest active political party. Its main political rival has been the Republican Party since the 1850s, with both parties being big tents of competing and often opposing viewpoints. Modern American liberalism — a variant of social liberalism — is the party's majority ideology. The party also has notable centrist, social democratic, and left-libertarian factions.

Massachusetts's 6th congressional district is located in northeastern Massachusetts. It contains most of Essex County, including the North Shore and Cape Ann, as well as part of Middlesex County. It is represented by Seth Moulton, who has represented the district since January 2015. The shape of the district went through minor changes effective from the elections of 2012 after Massachusetts congressional redistricting to reflect the 2010 census. The towns of Tewksbury and Billerica were added, along with a small portion of the town of Andover.

John F. Tierney is an American politician who served as a U.S. Representative from Massachusetts from 1997 to 2015. He is a Democrat who represented the state's 6th district, which includes the state's North Shore and Cape Ann. Born and raised in Salem, Massachusetts, Tierney graduated from Salem State College and Suffolk University Law School. He worked in private law and served on the Salem Chamber of Commerce from 1976 to 1997. Tierney first ran for the House of Representatives in 1994 against Republican incumbent Peter G. Torkildsen, losing by a small margin. He defeated Torkildsen in a rematch in 1996.

The Democratic Party is one of two major contemporary political parties in the United States. Founded in 1828, it was predominantly built by Martin Van Buren, who assembled politicians in every state behind war hero Andrew Jackson, making it the world's oldest active political party. Its main political rival has been the Republican Party since the 1850s, with both parties being big tents of competing and often opposing viewpoints. Modern American liberalism — a variant of social liberalism — is the party's majority ideology. The party also has notable centrist, social democratic, and left-libertarian factions.

The Republican Party, also referred to as the GOP, is one of the two major contemporary political parties in the United States. The GOP was founded in 1854 by anti-slavery activists who opposed the Kansas–Nebraska Act, which allowed for the potential expansion of chattel slavery into the western territories. It has been the main political rival of the Democratic Party since the mid-1850s. Like them, the Republican Party is a big tent of competing and often opposing ideologies. Presently, the Republican Party contains prominent conservative, centrist, populist, and right-libertarian factions.

Massachusetts's 7th congressional district is a congressional district located in eastern Massachusetts, including roughly three-fourths of the city of Boston and a few of its northern and southern suburbs. The seat is currently held by Democrat Ayanna Pressley.

Edward John Markey is an American lawyer, politician, and former Army reservist serving as the junior United States senator from Massachusetts since 2013.

The Democratic Party is one of two major contemporary political parties in the United States. Founded in 1828, it was predominantly built by Martin Van Buren, who assembled politicians in every state behind war hero Andrew Jackson, making it the world's oldest active political party. Its main political rival has been the Republican Party since the 1850s, with both parties being big tents of competing and often opposing viewpoints. Modern American liberalism — a variant of social liberalism — is the party's majority ideology. The party also has notable centrist, social democratic, and left-libertarian factions.

Massachusetts's 8th congressional district is located in eastern Massachusetts, including part of Boston. It is represented by Democrat Stephen Lynch. For one congressional term (1791–1793), it served as the home district of the District of Maine. The district boundaries were significantly changed, as of the elections of 2012, due to redistricting after the 2010 census, with the old 8th district largely being shifted to the new 7th district. The new 8th district comprises many of the communities of the old 9th district, as well as some easternmost Norfolk County communities and northernmost Plymouth County communities of the old 10th district.

Michael Everett Capuano is an American politician and attorney who served as a U.S. Representative from Massachusetts from 1999 to 2019. A Democrat, his district included the northern three-fourths of Boston, as well as parts of Cambridge, his hometown of Somerville, and other communities immediately north and south of Boston. Prior to being elected to Congress, he served as an Alderman and Mayor of Somerville.

The Democratic Party is one of two major contemporary political parties in the United States. Founded in 1828, it was predominantly built by Martin Van Buren, who assembled politicians in every state behind war hero Andrew Jackson, making it the world's oldest active political party. Its main political rival has been the Republican Party since the 1850s, with both parties being big tents of competing and often opposing viewpoints. Modern American liberalism — a variant of social liberalism — is the party's majority ideology. The party also has notable centrist, social democratic, and left-libertarian factions.

Massachusetts's 9th congressional district is located in eastern Massachusetts. It is represented by Democrat William R. Keating. The 9th district is the least Democratic congressional district in Massachusetts, according to the Cook Partisan Voting Index.

Stephen Francis Lynch is an American businessman, attorney and politician who has served as a member of the U.S. House of Representatives from Massachusetts since 2001. A Democrat, he represents Massachusetts's 8th congressional district, which includes the southern fourth of Boston and many of its southern suburbs. Lynch was previously an ironworker and lawyer, and served in both chambers of the Massachusetts General Court.

The Democratic Party is one of two major contemporary political parties in the United States. Founded in 1828, it was predominantly built by Martin Van Buren, who assembled politicians in every state behind war hero Andrew Jackson, making it the world's oldest active political party. Its main political rival has been the Republican Party since the 1850s, with both parties being big tents of competing and often opposing viewpoints. Modern American liberalism — a variant of social liberalism — is the party's majority ideology. The party also has notable centrist, social democratic, and left-libertarian factions.

The Republican Party, also referred to as the GOP, is one of the two major contemporary political parties in the United States. The GOP was founded in 1854 by anti-slavery activists who opposed the Kansas–Nebraska Act, which allowed for the potential expansion of chattel slavery into the western territories. It has been the main political rival of the Democratic Party since the mid-1850s. Like them, the Republican Party is a big tent of competing and often opposing ideologies. Presently, the Republican Party contains prominent conservative, centrist, populist, and right-libertarian factions.

Massachusetts's 10th congressional district was a small district that included parts of the South Shore of Massachusetts, and all of Cape Cod and the islands. The district had existed since 1795, but was removed for the 113th Congress in 2013 as district lines were redrawn to accommodate the loss of the seat due to reapportionment as a result of the 2010 census. Effective from the elections of 2012, most of the former district falls into the new Massachusetts 9th congressional district, with some northern portions falling in the new 8th district.

The South Shore of Massachusetts is a geographic region stretching south and east from Boston toward Cape Cod along the shores of Massachusetts Bay and Cape Cod Bay. It is subject to varying descriptions including municipalities in eastern Norfolk and Plymouth counties. The South Shore is an affluent area. The median income of the region as of 2020 is $104,691. The median home value of the region as of 2020 is $574,831.

Cape Cod is a peninsula extending into the Atlantic Ocean from the southeastern corner of mainland Massachusetts, in the northeastern United States. Its historic, maritime character and ample beaches attract heavy tourism during the summer months. The name Cape Cod, coined in 1602 by Bartholomew Gosnold, is the ninth oldest English place-name in the U.S.

The Islands is the collective name for the set of large islands south of Cape Cod in the southeast corner of the U.S. state of Massachusetts: Nantucket, Martha's Vineyard, the Elizabeth Islands, and a small number of minor islands. The Islands are the location of numerous beach resorts, celebrity second homes, and preserved buildings dating back to the whaling era.

William David Delahunt is an American lawyer and politician from Massachusetts. He is a former U.S. Representative for Massachusetts's 10th congressional district, serving from 1997 to 2011. He is a member of the Democratic Party. Delahunt did not seek re-election in 2010, and left Congress in January 2011. He was replaced by Norfolk County District Attorney Bill Keating. He is currently an attorney with the firm of Eckert Seamans Cherin & Mellott.

The Democratic Party is one of two major contemporary political parties in the United States. Founded in 1828, it was predominantly built by Martin Van Buren, who assembled politicians in every state behind war hero Andrew Jackson, making it the world's oldest active political party. Its main political rival has been the Republican Party since the 1850s, with both parties being big tents of competing and often opposing viewpoints. Modern American liberalism — a variant of social liberalism — is the party's majority ideology. The party also has notable centrist, social democratic, and left-libertarian factions.

The Republican Party, also referred to as the GOP, is one of the two major contemporary political parties in the United States. The GOP was founded in 1854 by anti-slavery activists who opposed the Kansas–Nebraska Act, which allowed for the potential expansion of chattel slavery into the western territories. It has been the main political rival of the Democratic Party since the mid-1850s. Like them, the Republican Party is a big tent of competing and often opposing ideologies. Presently, the Republican Party contains prominent conservative, centrist, populist, and right-libertarian factions.