Foma may refer to:

• FOMA (Freedom of Mobile Multimedia Access), a Japanese mobile telecommunications service
• Sergei Fomenko, nicknamed "Foma", Ukrainian musician
• 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, an album by The Nixons
• Foma, a Brazilian design studio founded by Davison Carvalho
• Foma, a Czech photographic film company, formerly Fotochema
• foma (software), an open-source compiler, programming language, and C library for constructing finite-state automata and transducers compatible with Xerox lexc and twolc

Freedom of Mobile Multimedia Access (FOMA) is the brand name of the W-CDMA-based 3G telecommunications services being offered by the Japanese telecommunications service provider NTT DoCoMo. It is an implementation of the Universal Mobile Telecommunications System (UMTS) and was the world's first 3G service to commence operation.