Yuck may refer to:
- an exclamation of disgust
- Yuck factor
- yuck or yucks, laughter
- Mr. Yuk or Mr. Yuck, a poison public service emblem
- Yuck (band), a British band
- Yuck (album), an album by that band
- Yuck (Yin Yang Yo!), a character on Yin Yang Yo!
- Yuck, a book by James Stevenson (illustrator)
- Yuck, a Love Story, a winner of the 2000 Governor General's Awards
- Yuck!, a track from The Final Call (CD)
- Yucks, a nickname for the Tampa Bay Buccaneers
- yuck 20, the AN/UYK-20