Foma may refer to:
- FOMA (Freedom of Mobile Multimedia Access), a Japanese mobile telecommunications service.
- Flag Officer Commanding Maharashtra Naval Area (FOMA), a senior appointment of the Indian Navy.
- Foma, a term meaning "harmless untruths" from the fictional religion Bokononism in Kurt Vonnegut's novel Cat's Cradle
- Foma, the narrator of Nikolai Gogol's short story "A Bewitched Place"
- Foma, Russian male given name of Hebrew origin.
- Foma (album), by The Nixons
- foma (software), an open-source compiler, programming language, and C library for constructing finite-state automata and transducers compatible with Xerox lexc and twolc
- Foma Bohemia, a manufacturer of photographic and industrial films, papers and chemicals in the Czech republic
- Friends of Mount Athos (FoMA), a society that focuses on the monasteries of Mount Athos