FLM may refer to:
- F.L.M. (album), 1987 album by Mel and Kim
- "F.L.M." (song), the album's title track
- Ceramica Flaminia, a defunct cycling team
- Family Life Ministries, an American Christian organization, operator of the Family Life Network of radio stations
- Filadelfia Airport, in Paraguay
- Financial Literacy Month, in the United States
- First Look Media, an American news organization
- Flimby railway station, in England
- FLM Aviation, a defunct German airline
- FLM Panelcraft, a British coachbuilder
- Flora London Marathon
- Focal length multiplier
- Formula Le Mans
- Fun Little Movies, an American film production company
- Macina Liberation Front (French: Force de libération du Macina)
- Malagasy Lutheran Church (Malagasy: Fiangonana Loterana Malagasy)
- Feline leukomyelopathy, a disorder that affects non-domestic cats