Marcom or MARCOM may refer to:
- United States Maritime Commission was an agency of the U.S. federal government that replaced the United States Shipping Board in 1936, and was abolished in 1950.
- Marketing communications
- Canadian Forces Maritime Command, the name used by the Royal Canadian Navy from 1968 to 2011
- Maritime Community, a programme of the European Union which includes the Mediterranean Science Commission
- NATO Allied Maritime Command
People with the surname
edit- Micheline Aharonian Marcom (born 1968), American writer