There were five elections in 1981 to the United States House of Representatives:
Elections are listed by date and district.
|-! | David Stockman| | Republican| 1976| | Incumbent resigned January 27, 1981, to become Director of the Office of Management and Budget.
New member elected April 21, 1981.
Republican hold.| nowrap |
|-! | Gladys Spellman| | Democratic| 1974| | Incapacitated since last Congress and seat declared vacant February 24, 1981.
New member elected May 19, 1981.
Democratic hold.| nowrap |
|-! | Tennyson Guyer| | Republican| 1972| | Incumbent died April 12, 1981.
New member elected June 25, 1981.
Republican hold.| nowrap |
|-! | Jon Hinson| | Republican| 1978| | Incumbent resigned April 13, 1981.
New member elected July 7, 1981.
Democratic gain.| nowrap |
|-! | Raymond Lederer| | Democratic| 1976| | Incumbent resigned April 29, 1981, before a planned expulsion vote, having been convicted of bribery in the Abscam sting operation.
New member elected July 21, 1981.
Democratic hold.| nowrap |
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