Dennis O'Connor

Dennis O'Connor may refer to:

• Dennis O'Connor (judge), Associate Chief Justice of Ontario
• J. Dennis O'Connor (born 1942), Chancellor of the University of Pittsburgh
• Dennis James O'Connor (1886–1946), Quebec politician
• Dennis O'Connor (actor) in The Park Is Mine

See also

• Denis O'Conor, Irish nobleman and politician
• Denis Charles Joseph O'Conor, Irish lawyer
• Denis Maurice O'Conor, Irish barrister and politician
• Denis O'Connor (disambiguation)