A hegemon is a member of a ruling group.
Hegemon or hegemony may also refer to:
- Hegemon of Earth, ruler of that planet, in the Ender's Game series
- Hegemon of Thasos (5th century BC), Greek writer
- Hegemony (album), a 2017 album by Swiss band Samael
- Hegemony (video game series)
- "Hegemony" (Star Trek: Strange New Worlds), an episode of the second season of Star Trek: Strange New Worlds