TMZ is an American tabloid online newspaper.

TMZ may also refer to:

• Taltson Magmatic Zone, a geologic region of Canada
• The IATA airport code for the Thames Aerodrome, New Zealand
• Thirty-mile zone, California, U.S.

• TMZ on TV, a television series
• TMZ, a song by "Weird Al" Yankovic from Alpocalypse
• Too Many Zooz, a band from New York City, U.S.
• Kodak T-MAX P3200 film

• Temozolomide, a drug
• Trimetazidine, a drug
• TMZ (motorcycle), a Soviet motorcycle manufacturer