FMM

FMM may refer to:


 * Confederation of Malagasy Workers (Malagasy: Fivondronamben'ny Mpiasa Malagasy)
 * Fast multipole method
 * Functional membrane microdomain
 * Father Michael McGivney Catholic Academy, in Markham, Ontario, Canada
 * Fellowship in Manufacturing Management, a program of Cranfield University, England
 * Festival Músicas do Mundo, a Portuguese music festival
 * Field Marshal Montgomery Pipe Band
 * Flea Market Music, an American publisher
 * Florida Maritime Museum
 * Fort Morgan Municipal Airport, in Colorado, United States
 * Fourier modal method, an alternative name for rigorous coupled-wave analysis
 * France Médias Monde
 * Franciscan Missionaries of Mary
 * Free Media Movement
 * Mainz-Mombach station, in Germany
 * Memmingen Airport, in Germany
 * World Federation for the Metallurgic Industry, a former global union federation