Third-party and independent senators in the United States

Third-party and independent senators in the United States have been rare during the country's existence. Since 1856, the United States has had two major political parties: The Democratic Party and the Republican Party. The list below includes anyone who, while holding office as a U.S. Senator since the beginning of the Reconstruction era, was affiliated with a party that is neither the Democratic Party or the Republican Party. Linked below are similar lists of U.S. Representatives, governors, and state legislators.