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) (1875–1938), Irish politician and hotel proprietor
 * Patrick O'Neill (psychologist) (1942–2021), Canadian psychologist
 * Patrick Geoffrey O'Neill (1924–2012), British academic and writer
 * Patrick O'Neill (handballer) (born 1956), American handball player
 * Patrick O'Neil (1942–2019), American computer scientist
 * Patrick O'Neil (footballer) (born 1992), Scottish footballer
 * J. Patrick O'Neill (born 1971), 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