Marr may refer to:
Places Marr, Scotland, an area in Aberdeenshire, Scotland, which historically was a province Marr, South Yorkshire, a village in England
People Marr (surname)
Businesses Marr (automobile) (1903–1904), an American automobile company Marr & Holman, an American architectural firm Marr and Colton, an American pipe organ company
Other uses Marr baronets, a British title Marr Prize, a computer vision award Marr College, a school in Troon, South Ayrshire, Scotland Marr Residence, a historic site in Saskatoon, Saskatchewan, Canada Marr or Marrette, a twist-on wire connector Minimum acceptable rate of return or MARR, a project finance concept
See also Mar (disambiguation) Marre (disambiguation) Maher MARRS, a recording collective Mars (disambiguation)