Milroy may refer to:
<!-- Milroy is a surname originating in Scotland and Ireland. It is also sometimes written as "M'ilroy", especially in Northern Ireland. Milroy is a Sept of Clan Grant (Scottish) -->
<!-- Blazon of Arms: Per fess, in chief Chequy Or and Vert, in base Gules, the latter charged with a lion rampant Argent, on a canton of the fourth, a rose of the third, barbed of the second.
Crest: An Ostrich proper.
Motto: Esperance (Hope). Image of Arms -->
People
- Andrea Milroy, Miss World Venezuela 2004
- Bobby Milroy (born 1978), Canadian badminton player and former president of the World Badminton Player's Federation
- Duncan Milroy (born 1983), Canadian NHL hockey player
- Jack Milroy (born 1915), Scottish comedian
- Lesley Milroy (born 1944), British sociolinguist
- Nick Milroy (born 1974), American politician
- Robert H. Milroy (1816–1890), Union Army general in the American Civil War
- Seán Milroy (c. 1877–1946), Irish revolutionary and politician
- Thomas Hugh Milroy LLD FRSE (1869–1950), Scottish physiologist and academic
Places
United States
- Milroy, Illinois, in Oquawka Township, Henderson County, Illinois
- Milroy, Indiana
- Milroy Township, Jasper County, Indiana
- Milroy, Minnesota
- Milroy, an unincorporated community in McHenry County, North Dakota
- Milroy, Pennsylvania
- Milroy Township, in Grant County, West Virginia
- Fort Milroy, in Randolph County, West Virginia
Australia
- Milroy, New South Wales
Other
- A horse in the American Civil War