Timm or TIMM may refer to:
- People
- Bruce Timm, US animator and producer
- Christian Timm, German footballer
- Henry Christian Timm, US pianist, conductor, and composer
- Joachim Christian Timm, German botanist
- Mads Timm, Danish footballer
- Otto Timm, US aviator and aircraft manufacturer
- Richard William Timm, US priest
- Uwe Timm, German author
- Vasily Timm, Russian artist
- Business
- TIMM - a television channel from Germany.
- Timm Aircraft - a former American aircraft manufacturer.
- TIMM, or Toshiba Integrated Multimedia Monitor, manufactured by Toshiba