USS O'Brien
Five ships of the United States Navy have been named USS O'Brien:
- USS O'Brien (TB -30), a torpedo boat, in service 1900-1909
- USS O'Brien ( DD -51), a destroyer of the O'Brien class, in service 1915-1922
- USS O'Brien ( DD -415 ), a destroyer of the Sims - class, in service from 1940 to 1942, when he was hit by an enemy torpedo
- USS O'Brien ( DD -725 ), a destroyer of the Allen M. Sumner - class, in service 1944-1972
- USS O'Brien ( DD -975 ), a destroyer of the Spruance class, in service 1981-2004
- Ship name of the United States Navy