Bandwagon may refer to:
Bandwagon effect, "copycat" behaviour
argumentum ad numerum, or the bandwagon fallacy: "If many believe so, it is so"
bandwagon fan, supporter of a sports team only during a period of success
A wagon which carries the band in a parade
The Band Wagon, a 1953 MGM movie musical starring Fred Astaire and Cyd Charisse
The Bandwagon, a jazz trio
the band Johnny Johnson and the Bandwagon, from the late 1960s and early 1970s
bandwagoning, a term in international relations
Bandwagon (film), a 1996 independent film written and directed by John Schultz
Bandwagon (TV series), local music series on KEYC-TV in Mankato, Minnesota