Third wheel, a term for someone who is superfluous, may refer to:
Film and television The Third Wheel (film), a 2002 American romantic comedy "Third Wheel" (How I Met Your Mother), a 2007 TV episode "Third Wheel" (Mickey Mouse), a 2014 TV episode "The Third Wheel" (The O.C.), a 2004 TV episode "The Third Wheel" (That '70s Show), a 2001 TV episode
Other uses Diary of a Wimpy Kid: The Third Wheel, the seventh book of the Diary of a Wimpy Kid series "Third Wheel", a 1990 song by the Servants from Disinterest "Third Wheel", a 2022 song by Zoe Wees
See also Fifth wheel (disambiguation) Superfluous (disambiguation)