Tim may refer to:

  • Timothy or Tim, for short
  • Tim (film), an Australian film
  • Tim, the Oldenburg Baby, abortion survivor
  • Tim (singer), popular K-pop solo singer
  • Tiny Tim (musician), American singer, ukulele player, and musical archivist
  • Timati, Russian hip-hop singer
  • Timbaland, American musician and musical producer
  • Tim Armstrong, punk rock musician
  • Tim Bergling, better known as Avicii, Swedish DJ, remixer, and record producer
  • Tim Burton, American filmmaker, artist and writer
  • Tim Borowski, German footballer
  • Tim Cahill, Australian professional footballer
  • Tim Hoogland, German footballer
  • Tim Howard, American professional footballer
  • Tim Lincecum, American MLB starting pitcher
  • Tim McIlrath, American singer
  • Tim Ream, American professional footballer
  • Tim Tebow, American football player
  • Tim Wakefield, American baseball player
  • Tim Wiese, German footballer
  • Tinny Tim, a child robot, from the television series Futurama
  • Tim (Robots), a fictional robot from the movie Robots
  • Tim the Enchanter from Monty Python and the Holy Grail
  • Tiny Tim (A Christmas Carol), a character from A Christmas Carol
  • Tim the Bear, a character from The Cleveland Show
  • The Life and Times of Tim, an animated show with adult themes on HBO
  • Tim Rimmer, a character in the movie Cars
  • Tim Okazaki, a character in the Australian mockumentary series Angry Boys
  • Tim Speedle, character on CSI: Miami
  • Tim (inhabited locality), name of several inhabited localities in Russia
  • Tim (album), an album by The Replacements

TIM may refer to:

In technology
  • Telecom Italia Mobile
  • Thermal interface material
  • Transient intermodulation distortion
In chemistry and biology
  • Triosephosphate isomerase
  • Thioisomescaline, a series of psychedelic drugs
  • Iodoform or triiodomethane, a trihalomethane
  • A protein of human (and mice) T-cells. They are immunoglobulin-containing molecules. For example (TIM)3 is a T helper cell.
  • The Translocase of the inner membrane (TIM) is a complex of proteins found in the inner mitochondrial membrane of the mitochondria.
  • The gene Timeless, involved in the fly circadian clock.
  • TIM (Owarai), a Japanese comedy unit
  • Tiako I Madagasikara, a Malagasy political party
  • TIM (Tomorrow People), the biological computer used by the Telepaths, in The Tomorrow People
  • The Incredible Machine (TIM), game series for PC
  • The speaking clock telephone service in the United Kingdom, originally obtained by dialling TIM (846)
  • TIM (firm), an economic firm in Varna, Bulgaria
  • The Tims, a term for supporters of Celtic F.C.
  • Treasure Island Media (TIM), a gay pornographic studio