James O'Hara (quartermaster)

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

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