The word communion can refer to
- the Eucharist, or the act of receiving the Eucharist; or
- a relation between Christian religious denominations; see full communion, which article distinguishes between "full" and "partial" communion between Christian churches.
- a 1976 film; see Communion (1976 movie)
- a 1987 autobiographical book by Whitley Strieber; see Communion (book)
- a 1989 film based on Strieber's book; see Communion (1989 movie)