Tit
TIT, Tit, Tits, or tit may refer to:
Birds
- Tit (bird) or Paridae, a large family of passerine birds 
- Penduline tit or Remizidae, sometimes included in Paridae as Remizinae
 
 - Bearded tit, a small reed-bed passerine bird
 - Long-tailed tits or Aegithalidae, a family of passerine birds with long tails
 - Tit-babbler or Macronus, a genus in the family Timaliidae
 - Tit berrypecker, a species of bird in the family Paramythiidae
 - Tit hylia, a species of bird in the family Cettiidae
 - Tomtit, a small passerine bird of the family Petroicidae 
- Tomtit (disambiguation)#Birds, various other birds called tomtits
 
 - Wrentit, a small bird, the only species in the genus Chamaea
 - Shriketit or Falcunculus, the only genus in the family Falcunculidae
 
Places
- Tin Tsz stop, a Light Rail stop in Hong Kong
 - Tit, Adrar, a town in Adrar Province, central Algeria
 - Tit, Tamanrasset, a village in Tamanrasset Province, southern Algeria
 - Tit-e Olya, a village in West Azerbaijan Province, Iran
 - Tehran International Tower, a residential tower located in Tehran, Iran
 
People
- Jacques Tits (1930–2021), French/Belgian mathematician
 - Tit (name), Romanian male given name
 - Tit Linda Sou (born 1989), female track and field sprint athlete who competes internationally for Cambodia
 - Tit Štante (born 1998), Slovenian snowboarder
 
Mathematics
- Tarski's indefinability theorem, a theorem which states that arithmetical truth cannot be defined in arithmetic
 - Tits alternative, an important theorem about the structure of finitely generated linear groups
 - Tits group, a finite simple group 2F4(2)′
 
Organizations
- Technological Institute of Textile & Sciences, in Bhiwani, Haryana, India
 - Tokyo Institute of Technology, a national top-tier research university located in Greater Tokyo Area, Japan
 - Turkish Revenge Brigade or TİT, an ultra-nationalist militant organisation in Turkey
 - Texas Institute of Technology and Science, proposed University
 
Other uses
- Tit., abbreviation for the Epistle of Paul to Titus, part of the New Testament
 - "Tits", a song by Sparks from Indiscreet, 1975
 - "Tits", a song by The Stranglers from Black and White, 1978
 - Teat, an organ in female mammals that produces milk to feed young offspring
 - Slang for a breast, usually used in the plural form
 - Trotters Independent Traders, a fictional company from the BBC sitcom Only Fools and Horses
 - The Incredible True Story, the second studio album by American rapper Logic
 - Titcoin, a cryptocurrency