A roadrunner is:
- in zoology, One of two species of bird in the genus Geococcyx of the cuckoo family Cuculidae, order Cuculiformes, native to North and central America.
- a cartoon version of the Greater Roadrunner in the Warner Brothers Road Runner cartoons.
- an ISP specializing in cable modem connections. The company is owned by AOL Time Warner and as such can use the Warner Brothers' Road Runner cartoon character for its logo.
- a cocktail; see Roadrunner (cocktail).
- a car; see Plymouth Roadrunner