Culver CityBus is a public transport agency operating in Culver City, California, currently serving Culver City, the unincorporated community of Marina del Rey, and the adjacent Los Angeles neighborhoods. Its entire fleet is painted bright green, distinguishing it from Santa Monica's Big Blue Bus, orange-colored Metro Local buses, and red-colored Metro Rapid buses, whose coverage areas overlap on Los Angeles's Westside.

Culver CityBus and Big Blue Bus were founded in 1928, making them the oldest municipal transit agencies in California.

Within its service area of around 25.5 square miles, the Culver CityBus provides service to the communities of:

As of January 2011, the Culver CityBus operates 3 daily routes and 5 weekday-only routes within Los Angeles County. Among its 5 weekday routes, the Culver CityBus operates a Rapid route (Rapid 6).

Culver CityBus and Santa Monica Big Blue Bus participate in BruinGo program, in which UCLA students and staff can show their BruinCard (university ID) to the driver so that the university pays a part of the fare.