Marc or MARC may refer to:

People Marc (given name), people with the first name Marc (surname), people with the family name

Acronyms MARC standards, a data format used for library cataloging MARC Train, a regional commuter rail system serving Maryland, Washington, D.C., and eastern West Virginia MARC (archive), a computer-related mailing list archive M/A/R/C Research, a marketing research and consulting firm Massachusetts Animal Rights Coalition, a non-profit, volunteer organization Matador Automatic Radar Control, a guidance system for the Martin MGM-1 Matador cruise missile Mid-America Regional Council, the Council of Governments and the Metropolitan Planning Organization for the bistate Kansas City region Midwest Association for Race Cars, a former American stock car racing organization Revolutionary Agrarian Movement of the Bolivian Peasantry (Movimiento Agrario Revolucionario del Campesinado Boliviano), a defunct right-wing political movement Mid-Atlantic Rowing Conference, a college rowing conference.

Other uses Marc is the French word for pomace, fruit solids as used for making pomace brandy Marz, Austria, aka Márc, a town Marc (cycling team), a Belgian road-racing team 1978–1980 Marc (TV series), a pop music television show presented by Marc Bolan MSC Marc, a finite element analysis software MARC Cars Australia, an Australian motor racing team and manufacturer Various related obsolete units of weight - see Apothecaries' system

See also Marc's, a drugstore chain in Ohio, United States Marc Marc, Saint Lucia, a city Mark (disambiguation) Marcus (disambiguation) Month of March