Incumbents
- President: Calvin Coolidge (Republican) (until March 4), Herbert Hoover (Republican) (starting March 4)
- Vice President: Charles G. Dawes (Republican) (until March 4), Charles Curtis (Republican) (starting March 4)
- Chief Justice: William Howard Taft
- Speaker of the House of Representatives: Nicholas Longworth (R-Ohio)
- Senate Majority Leader: Charles Curtis (R-Kansas) (until March 4), James Eli Watson (R-Indiana) (starting March 4)
- Congress: 70th (until March 4), 71st (starting March 4)
Read more about this topic: 1929 In The United States