Tustin is a city in Southern California.
Tustin may also refer to:
Places
;United States
- Tustin Legacy, Tustin, California, a master-planned community
- Tustin Ranch, Tustin, California, a master-planned community
- North Tustin, California, unincorporated area north of the City of Tustin
- Tustin, Michigan
- Tustin, Wisconsin, an unincorporated community
Other uses
- Tustin (surname), a surname
- Tustin High School
- Tustin (Metrolink station)
- Tustin Unified School District
- Tustin's method, an alternate name for the bilinear transform, a digital-control approximation