Pat Dunn or Patricia Dunn or Patrick Dunn may refer to:

Pat

• Pat Dunn (1858–1938), American mogul known as "The Duke of Padre Island" (see Nueces Hotel)
• Pat Dunn (basketball) (1931–1975), American professional basketball player
• Pat Dunn (politician) (born 1950), male Canadian politician
• Pat Dunn (referee) (1933–1999), British football referee.

Patricia

• Patricia Dunn (actress) (1930–1990), American actress
• Patricia C. Dunn (1953–2011), Hewlett-Packard chair involved in pretexting scandal

Patrick

• Patrick Dunn (Indian Army general) (1911–1977), Indian Army General Officer
• Patrick Dunn (RAF officer) (1912–2004), British officer
• Patrick Dunn (bishop) (born 1950), Roman Catholic Bishop of the Diocese of Auckland, New Zealand
• Patrick Dunn (ice hockey) (born 1963), French ice hockey player

See also

• Irina Dunn (born Patricia Irene Dunn 1948), Australian writer/politician
• Patrick Dun (1642–1713), Irish physician