Procyon could refer to:
- Procyon, a binary star system in the galaxy's Beta Quadrant.
- Procyon A, a class F white star in the system.
- Procyon B, a white dwarf star in the system.
- USS Procyon (NCC-1756), a 23rd century Federation Starfleet Achernar-class starship.
- USS Procyon (Antares class), a 23rd century Federation Starfleet Antares-class starship.
- USS Procyon (repair ship), a 24th century Federation Starfleet repair ship.
- Battle of Procyon V, a battle taking place in the 26th century of an alternate timeline.
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