Copula is a Latinate term meaning 'link' which may refer to:
Arts and entertainment
- Beatmania IIDX 23: Copula, a 2015 rhythm game
- Copula (music), a polyphonic texture
Biology
- Copula (cnidarian), a genus of box jellyfish
- Copula linguae, an embryonic structure of the tongue
Linguistics
- Copula (linguistics), a word used to link subject and predicate
Mathematics
- Copula (probability theory), a function linking marginal variables into a multivariate distribution