JM

JM may refer to:

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
 * Jerónimo Martins, a Portuguese company
 * Johnson Matthey, a British chemicals and metals company
 * 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