Chang could refer to:
- People:
- Chang, a 23rd century general serving in the Klingon Defense Force
- Chang (mirror), his mirror universe counterpart
- Chang (Admiral), a 24th century Starfleet admiral
- Chang (Commodore), CO of Starbase 8
- Chang (engineer), an engineer aboard the USS Enterprise
- Chang (Lieutenant), an officer aboard the USS Enterprise
- Chang (sorcerer), a pacifist refugee of the Eugenics Wars who led an Earth colony
- Chang (Torgu-Va), a guard at the Federation Battle Station Torgu-Va
- Chang (USS Enterprise-D), an operations manager aboard the USS Enterprise-D
- Chang (flight controller)
- Chang (USS Intrepid), a bridge officer aboard the USS Intrepid II
- Chang (USS Verdun), a USS Verdun crash survivor who help start the Torgu-Va colony
- Aldrich Chang
- Austin Chang, a Hazard Team member aboard the USS Enterprise-E
- Grace Chang (23rd century), a Starfleet chief engineer
- Grace Chang (24th century), a Starfleet chief engineer
- D. Hideaki Chang, a MACO corporal aboard the Enterprise NX-01
- Lewis Chang, a casualty of Earth's Vietnam War
- Linda Chang, a botanist aboard the USS Enterprise
- Sun Chang, a member of the Starfleet Academy staff
- Thomas Chang, a counselor aboard the USS Aldebaran
- Chang, a 23rd century general serving in the Klingon Defense Force
- Places:
- Madame Chang's Mandarin Cafe, a 22nd century restaurant in San Francisco
- Starships and vehicles: