Patrick O'Neill
Patrick O'Neill or Patrick O'Neil may refer to:
- Patrick O'Neill, 1st [Count of Tyrone], 17th century soldier and 1st Count of Tyrone
- Patrick O'Neill (politician), Irish politician and hotel proprietor
- Patrick O'Neill (psychologist), Canadian psychologist
- Patrick Geoffrey O'Neill, British academic and writer
- Patrick O'Neill (handballer), American handball player
- Patrick O'Neil, American computer scientist
- Patrick O'Neil (footballer), Scottish footballer
- J. Patrick O'Neill, Rhode Island state representative
- Patrick O'Neill (bishop), Irish Roman Catholic bishop
- Patrick O'Neill (activist), American Catholic peace activist, one of the Kings Bay Plowshares Seven