John Nolan may refer to:

Entertainment

• John Nolan (musician) (born 1978), American musician with Taking Back Sunday and Straylight Run
• Jonathan Nolan (born 1976), British-American writer and producer
• John Nolan (British actor) (born 1938), British actor and the uncle of Jonathan
• John Nolan (American actor) (1933–2000), American actor
• John Nolan (dancer) (born 1990), Irish dancer and choreographer

Politics

• John A. Nolan (1930–2004), broadcaster and politician in Newfoundland, Canada
• John Nolan (Irish politician) (died 1948), Irish Cumann na nGaedhael politician
• John I. Nolan (1874–1922), American politician from California
• John Philip Nolan (1838–1912), Irish landowner, army officer and politician

Sports

• John Nolan (hurler) (born 1954), Irish hurler of the 1970s and 80s for Wexford
• John Nolan (1950s hurler), Irish hurler of the 1950s and 60s for Wexford, see List of All-Ireland Senior Hurling Championship medal winners
• John Nolan (guard) (1899–1973), offensive guard for the Los Angeles Buccaneers in 1926
• John Nolan (tackle) (1926–1996), American football tackle

Other

• John James Nolan (1888–1952), Irish physicist, President of the Royal Irish Academy, 1949–52
• John Gavin Nolan (1924–1999), Roman Catholic bishop
• John Nolan, an animatronics designer for the film Jurassic World Dominion
• John Nolan, the protagonist of the ABC comedy-drama The Rookie
• Johnny Nolan, a major character in Betty Smith's novel A Tree Grows in Brooklyn