Oops!... I Did It Again may refer to:
- Oops!... I Did It Again (album) (2000)
- Oops! I Did It Again: The Best of Britney Spears (2012)
- Oops, I Did It Again! (Cex album) (2001)
- "Oops, I Did It Again", a 2004 episode of the American animated series The Powerpuff Girls