Crom may refer to:

• Crom Cruach, a deity of pre-Christian Ireland
• Crom, a townland in County Fermanagh, Northern Ireland
• Crom Estate, a Northern Irish National Trust Property
• Crom (character), a character in the 1982 film Tron played by Peter Jurasik
• Crom (fictional deity), a fictional deity in the Conan the Barbarian world
• In the Dragonriders of Pern science fiction series, Crom is a coal mining settlement on the northern continent of Pern

The Confederación Regional Obrera Mexicana (CROM) (Spanish: "Regional Confederation of Mexican Workers") is a federation of labor unions in Mexico.

Crom may refer to:

• Crom Cruach, a deity of pre-Christian Ireland
• Crom, a townland in County Fermanagh, Northern Ireland
• Crom Estate, a Northern Irish National Trust Property
• Crom (character), a character in the 1982 film Tron played by Peter Jurasik
• Crom (fictional deity), a fictional deity in the Conan the Barbarian world
• In the Dragonriders of Pern science fiction series, Crom is a coal mining settlement on the northern continent of Pern

The Confederación Regional Obrera Mexicana (CROM) (Spanish: "Regional Confederation of Mexican Workers") is a federation of labor unions in Mexico.