People

• Alexander D. Orr, American farmer and politician
• Archibald Orr-Ewing
• Archibald Donald Orr-Ewing
• Ashley Rose Orr
• Benjamin Orr, bass guitarist of The Cars
• Benjamin Orr (Massachusetts politician)
• Bobby Orr, Canadian hockey player
• Bradley Orr
• Buxton Orr
• Charles Lindsay Orr-Ewing
• Charles Wilfred Orr, English composer
• Christopher Orr
• Colton Orr
• Danny Orr
• Dave Orr
• David Duvall Orr
• Douglas Orr, American architect
• Emma Restall Orr
• Gary Orr, Scottish golfer
• Gregory Orr
• James Orr:
• James Orr (poet) (1770–1816), poet from Ulster
• James Lawrence Orr (1822–1873), United States politician
• James Orr (umpire), Australian cricket umpire
• James Orr (Royal Household)
• Jimmy Orr
• John Boyd Orr, Scottish biologist and Nobel peace laureate
• Johnny Orr, American basketball coach
• Jonathan Orr
• Kay A. Orr
• Kevin Orr
• Leonard Orr
• Louis Orr
• Marion Orr, Canadian aviator
• Norman Orr-Ewing
• Orr (Catch-22), fictional character
• Peter Orr
• Robert Orr:
• Robert D. Orr, former Governor of Indiana
• Robert F. Orr, American judge
• Robert Gordon Orr, Canadian hockey player
• Robin Orr
• Rodney Orr, NASCAR driver
• Ronald Orr-Ewing
• Shantee Orr
• Sheena Shirley Orr, original name of Scottish singer Sheena Easton
• Stephens Orr
• Sydney Sparkes Orr
• Wesley Fletcher Orr
• William Orr, of the United Irishmen
• William McFadden Orr (1866–1934), an Irish mathematician
• Orr-Ewing Baronets

Places

• Orr, Minnesota
• Orr, Germany a district of Pulheim

Acronyms and other uses

• Office of Rail Regulation, UK government agency
• Office of Refugee Resettlement, part of the United States Administration for Children and Families
• Offshore Racing Rules, system to permit different sailboats racing against each other
• 'orr' is an alternative notation for exclusive disjunction in mathematics

See also

• Ore (disambiguation)