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 of the State of Maryland, 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.
https://en.wikipedia.org/wiki/Marc