John Sloan (1871–1951) was an American painter and etcher.
John Sloan may also refer to:
Business John Sloan (businessman) (c. 1904–1988), American businessman John Sloan Jr. (c. 1936–1991), American banking executive
Film and TV John Sloan (actor), American actor, in 2014 webseries Farmed and Dangerous John R. Sloan (1912–2001), British film producer John Peter Sloan (1969–2020), English-born Italian actor, comedian and writer
Other people John Sloan, early settler at Sloan Lake, U.S. John Sloan (medium) (fl. 1920s), Scottish spiritualist Kee Sloan (John McKee Sloan, born 1955), American bishop
See also John Sloane (disambiguation) Jonathan Sloane (1785–1854), U.S. Representative from Ohio