Sosigenes may refer to:
People
- Sosigenes (astronomer), the astronomer consulted by Julius Caesar for the design of the Julian calendar
- Sosigenes the Peripatetic, a philosopher living at the end of the 2nd century and tutor of Alexander of Aphrodisias
- Sosigenes (Stoic), an ancient Greek philosopher
Other uses
- Sosigenes (crater), on the Moon