TMZ may refer to:
- TMZ (website), a website featuring celebrity and entertainment news
- TMZ on TV, its companion television series
- TMZ (motorcycle), a Soviet motorcycle manufacturer
- "TMZ" (song), a song by "Weird Al" Yankovic from Alpocalypse
- Thirty Mile Zone or studio zone, a zone in and around Hollywood, California
- Thames Aerodrome, an airport in New Zealand