Patrick, Pat, or Paddy Campbell may refer to:
Arts and entertainment
Mrs Patrick Campbell (1865–1940), British stage actress
Patrick Campbell, 3rd Baron Glenavy (1913–1980), Irish-born British journalist, humorist and television personality Pat Campbell (broadcaster) (died 2021), American talk radio host Pat Campbell (cartoonist), Australian cartoonist
Military
Patrick Campbell (British Army officer, born 1684) (1684–1751), British Army General and Member of Parliament Patrick Campbell (Royal Navy officer) (1773–1841), British Royal Navy officer Patrick Campbell (British Army officer, born 1779) (1779–1857), British Army Major General, British agent and Consul General in Egypt Patrick Campbell (INLA member) (1977–1999), Irish National Liberation Army volunteer who was murdered by drug dealers
Sports
Paddy Campbell (born 1974), Irish Gaelic footballer
Pat Campbell (lacrosse) (born 1977), Canadian lacrosse player
Patrick Campbell (rugby union) (born 2002), Irish Gaelic footballer and rugby union player