Cum may refer to:
- A Latin word, which can be either the preposition with or a conjunction meaning when, because, or although.
- An English linking word, derived from the Latin word for 'with.' It is used in many place names in England as well as in everyday English - e.g. Prestwich-cum-Oldham
- cum tempore (with time); notation used at universities in German, Austrian, Swiss and Scandinavian countries for starting 15 minutes late.
- Referring to diplomas and degrees: cum laude (with praise), magna cum laude (with great praise); maxima cum laude (with maximal praise); summa cum laude (with highest praise); egregia cum laude (with outstanding praise)
- A sexual term, meaning to orgasm
- Semen or vaginal fluid, produced in ejaculation.
- Misspelling of Come.