JM may refer to:
People JM de Guzman (born 1988), Filipino actor, mixed martial artist, model and singer JM Yosures (born 1999), Filipino singer and recording artist
Places Jamaica (ISO 3166-1 alpha-2 country code JM) Jay Em, Wyoming, a community in the United States
Businesses and organizations Jack's Mannequin, a piano rock band Jama'at al-Jihad al-Islami, an Islamic terrorist group active in Central Asia Air Jamaica (1968-2015, IATA code JM) Jambojet (IATA code JM) Jaysh Muhammad, an Iraqi insurgency group Johns Manville, an American company that manufactures insulation and roofing materials Jerónimo Martins, a Portuguese company Johnson Matthey, a British chemicals and metals company Journal de Monaco, the official bulletin of Monaco Joseph Magnin Co.
Other uses A shortened form of James Fender Jazzmaster, an American guitar model Juris Master, a degree similar to the Master of Laws Just Muslim, a religious denomination , the official symbol for the Musashino Line in Japan