MKA may refer to:
Companies and organization Magnusson Klemencic Associates, an American engineering consulting firm Majlis Khuddam-ul Ahmadiyya, the young men's branch of the Ahmadiyya Muslim community Malaysian Kennel Association (), a Malaysian dog club Mandakini Ki Awaaz, a community radio station in Rudraprayag district, Uttarakhand, India Makani Kai Air, a small Hawaiian airline Montclair Kimberley Academy, a private school in Montclair, New Jersey, U.S.
Media
Mario Kart Advance, the Japanese title for the 2001 kart racing video game Mario Kart: Super Circuit Mortal Kombat Annihilation, a 1997 American martial arts fantasy film Mortal Kombat: Armageddon, a 2006 video game
Other uses MACsec Key Agreement Protocol, a protocol for exchanging keys for use in the MACsec network security standard (IEEE 802.1AE) Mary-Kate and Ashley Olsen, a twin pair of American actresses and fashion designers .mka, the file extension for audio in the Matroska Multimedia Container format, developed by the Matroska project Matthew Knight Arena, an arena in Eugene, Oregon, U.S. Mustafa Kemal Atatürk (1881–1938), the first president of Turkey Milwaukee Airport Railroad Station, a train station in Milwaukee, Wisconsin, U.S., by Amtrak station code Miller Municipal Airport, Miller, South Dakota, U.S., by FAA LID