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Preferential voting or preference voting (PV) may refer to different election systems or groups of election systems:

Any electoral system which allows voters to indicate multiple preferences (any system other than plurality or anti-plurality)
- Optional preferential voting
Ranked voting methods, all election methods that involve ranking candidates in order of preference (American literature)
- Instant-runoff voting and single transferable vote, referred to as "preferential voting" in Australia by way of conflation
- Bucklin voting, similarly conflated during the Progressive Era
Open list representation, where "preference votes" are used to express preference for individual candidates instead of party lists.

See also