A form of approval voting is used by the Web site TV Tropes for certain decisions, including names of pages that need to be renamed.
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Unrestricted domain —A voter may have a preference ordering among the alternatives.
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In the 13th through 18th centuries, the Republic of Venice elected the Doge of Venice using a multi-stage process that featured random selection and voting which allowed approval of multiple candidates and required a supermajority.
Instant-runoff voting | Voting Rights Act of 1965 | Uniformed and Overseas Citizens Absentee Voting Act | Proxy voting | preferential voting | Federal Voting Assistance Program | Cook Partisan Voting Index | Voting | Plurality (voting) | Plurality-at-large voting | Parliamentary Voting System and Constituencies Act 2011 | First-past-the-post voting | Voting rights in the United States | voting | Runoff voting | Postal voting | Plurality voting system | plurality (voting) | Open Voting Consortium | Fiji's voting system | DRE voting machine | District of Columbia voting rights | ''Congress Voting Independence'' (ca. 1784-88) by Robert Edge Pine | Bucklin voting | British Parliamentary approval for the invasion of Iraq |
Approval voting was used in the forty-one conclaves from 1294 to 1621, after which it was replaced with a categoric vote by Eterni Pacis (1621) and Decet Romanum Pontificem (1622).