James O'Hara (quartermaster)

James O'Hara
Bornc. 1752
County Mayo, Kingdom of Ireland
DiedDecember 17, 1819
Pittsburgh, U.S.
AllegianceUnited Kingdom (1770–1771)
United States (after 1772)
Service / branchBritish Army
Continental Army
U.S. Army
RankQuartermaster General
UnitColdstream Guards
3rd Virginia Regiment
Battles / warsAmerican Revolutionary War

James O'Hara (c. 1752 – 1819) was an American military officer, businessman, and captain of early industry in Pittsburgh, Pennsylvania, United States.