KMA could refer to:
- Kanpur Metropolitan Area, India
- KMA (AM), a radio station (960 AM) licensed to Shenandoah, Iowa, United States
- KMA-FM, a radio station (99.1 FM) licensed to Clarinda, Iowa, United States
- KmA, a metric unit of length
- KMA (art), a collaboration between media artists Kit Monkman and Tom Wexler
- Kent Miners' Association
- Koninklijke Militaire Academie, the Royal Dutch Military Academy
- Korea Military Academy, South Korea
- The Korea Meteorological Administration, South Korea
- Kursk Magnetic Anomaly
- Kerala Mathematical Association, Kerala, India
- Korean martial arts
- Kumasi Metropolitan Assembly
- Kyle Maxwell Anderson
- KMA, IATA airport code of Kerema Airport in Papua New Guinea
- KMA Kinematograph Manufacturers' Association