1921 United States House of Representatives elections

There were special elections to the U.S. House of Representatives in 1921.

! AL's 4th congressional district
 * Fred Blackmon
 * 1910
 * | Incumbent died February 8, 1921. New member elected June 7, 1921. Democratic hold.
 * nowrap |
 * nowrap |

✅ Lamar Jeffers (Democratic)

! AR's 6th congressional district
 * Samuel M. Taylor
 * 1912
 * | Incumbent died September 13, 1921. New member elected October 25, 1921. Democratic hold.
 * nowrap |
 * nowrap |

✅ Chester W. Taylor (Democratic)

Unopposed

! CA's 9th congressional district
 * colspan=3 | Vacant
 * | Representative-elect Charles F. Van de Water (R) died November 20, 1920. New member elected February 15, 1921. Republican hold.
 * nowrap | ✅ Walter F. Lineberger (Republican) 58.54%

Charles Hiram Randall (Prohibition) 37.99%

John J. Hamilton (Independent) 3.47%

! IA's 5th congressional district
 * James W. Good
 * 1908
 * | Incumbent resigned June 15, 1921. New member elected. Republican hold.
 * nowrap | ✅ Cyrenus Cole (Republican) 60.61%
 * nowrap | ✅ Cyrenus Cole (Republican) 60.61%

John N. Hughes (Democratic) 39.39%

! MA's 6th congressional district
 * Willfred W. Lufkin
 * 1917
 * | Incumbent resigned June 30, 1921. New member elected. Republican hold.
 * nowrap | ✅ A. Piatt Andrew (Republican) 76.58%
 * nowrap | ✅ A. Piatt Andrew (Republican) 76.58%

Charles I. Pettingell (Democratic) 23.02%

! MI's 3rd congressional district
 * William H. Frankhauser
 * 1920
 * | Incumbent died May 9, 1921. New member elected June 28, 1921. Republican hold.
 * nowrap | ✅ John M. C. Smith (Republican) 75.42%
 * nowrap | ✅ John M. C. Smith (Republican) 75.42%

Howard W. Cavenaugh (Democratic) 24.58%

! PA At-large
 * Mahlon Morris Garland
 * 1914
 * | Incumbent died November 19, 1921. New member elected September 20, 1921. Republican hold.
 * nowrap | ✅ Thomas S. Crago (Republican) 68.41%
 * nowrap | ✅ Thomas S. Crago (Republican) 68.41%

John P. Bracken (Democratic) 21.45%

Byron E. P. Prugh (Prohibition) 7.25%

Cora M. Bixler (Socialist) 2.89%


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