Patrick O'Connell may refer to:

• Patrick O'Connell (American football) (born 1998), American football player
• Patrick O'Connell (actor) (1934–2017), Irish film and television actor
• Patrick O'Connell (chef) (born 1945), author, chef, and owner of the Inn at Little Washington
• Patrick O'Connell (footballer) (1887–1959), Irish footballer and manager
• Patrick O'Connell (poet) (1944–2005), Canadian poet
• Paddy O'Connell (born 1966), BBC TV presenter
• Paddy O'Connell (Gaelic footballer) (1888–1980), Irish Gaelic footballer
• Pat O'Connell (surfer) (born 1971), American surfer
• Pat O'Connell (baseball) (1861–1943), Major League Baseball center fielder
• Pat O'Connell (footballer) (born 1937), English footballer
• Patrick O'Connell, husband of actress Maggie Baird and father of musicians Billie Eilish and Finneas O'Connell