There were elections in 1909 to the United States House of Representatives:

! | Robert C. Davey | | Democratic | 18921894 1896 | | Incumbent member-elect died during previous congress.New member elected March 30, 1909.Democratic hold. | nowrap |

! | Theodore E. Burton | | Republican | 18881890 (lost)1894 | | Incumbent member-elect resigned during previous congress.New member elected April 20, 1909. Republican hold. | nowrap |

! | William Lorimer | | Republican | 18941900 (lost)1902 | | Incumbent resigned June 17, 1909, after being elected to the U.S. Senate.New member elected November 23, 1909.Republican hold. | nowrap |

! | Francis W. Cushman | | Republican | 1898 | | Incumbent died July 6, 1909.New member elected November 2, 1909.Republican hold. | nowrap |

! | Pablo Ocampo | | Democratic | 1907 | | Term ended November 22, 1909.New delegate elected November 23, 1909.Nacionalista gain. | nowrap |

References