1938 Oklahoma gubernatorial election

William Henry Davis "Alfalfa Bill" Murray was an American educator, lawyer, and politician who became active in Oklahoma before statehood as legal adviser to Governor Douglas H. Johnston of the Chickasaw Nation. Although not American Indian, he was appointed by Johnston as the Chickasaw delegate to the 1905 Convention for the proposed State of Sequoyah. Later he was elected as a delegate to the 1906 constitutional convention for the proposed state of Oklahoma; it was admitted in 1907.

John Calloway Walton was an American politician and the fifth governor of Oklahoma. He served the shortest term of any Governor of Oklahoma, being the first Governor in the state's history to be removed from office.

The Oklahoma House of Representatives is the lower house of the legislature of the U.S. state of Oklahoma. Its members introduce and vote on bills and resolutions, provide legislative oversight for state agencies, and help to craft the state's budget. The upper house of the Oklahoma Legislature is the Oklahoma Senate.

Leon Chase "Red" Phillips was an American attorney, a state legislator and the 11th governor of Oklahoma from 1939 to 1943. As a member of the Oklahoma House of Representatives and as Speaker of the Oklahoma House of Representatives, Phillips made a name for himself as an obstructionist of the proposals of governors William H. Murray and E.W. Marland, including components of the New Deal. As governor, Phillips pushed for deep cuts, but was unable to avoid an unbalanced budget.

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.

William Shaffer Key was a decorated officer of the United States Army with the rank of major general and businessman. A member of the Oklahoma National Guard, he was called up for federal service and participated in the combats on Western Front during World War I as Divisional Quartermaster of 7th Division.

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.

The Prohibition Party (PRO) is a political party in the United States known for its historic opposition to the sale or consumption of alcoholic beverages and as an integral part of the temperance movement. It is the oldest existing third party in the United States and the third-longest active party.

In political science, voter turnout is the participation rate of a given election. This is typically either the percentage of registered voters, eligible voters, or all voting-age people. According to Stanford University political scientists Adam Bonica and Michael McFaul, there is a consensus among political scientists that "democracies perform better when more people vote."