Look up blue tit in Wiktionary, the free dictionary.
The Eurasian blue tit (Cyanistes caeruleus) is a species of bird.
Blue tit may also refer to:
- African blue tit (Cyanistes teneriffae), a species of bird
- Blue tit (Chliaria kina or Hypolycaena kina), a species of butterfly
- A cultivar of the plum Prunus domestica