McNicoll is an anglicised version of the Scottish Gaelic surname, MacNeacail.
Notable people with the surname include:
Alan McNicoll (1908–1987), Australian navy officer Carol McNicoll (born 1943), English pottery artist Cedric McNicoll (born 1988), Canadian ice hockey player Craig McNicoll (born 1971), English speed skater Daniel McNicoll, American film producer and director Elle McNicoll (born 1992), Scottish writer Frances McNicoll (died 1993), English-Australian writer, wife of Alan McNicoll Helen McNicoll (1879–1915), Canadian impressionist painter Iain McNicoll (born 1953), Scottish Royal Air Force officer Kinley McNicoll (born 1994), Canadian soccer player Ronald McNicoll (1906–1996), Australian army general Steven McNicoll (born 1970), Scottish actor Sylvia McNicoll (born 1954), Canadian author Walter McNicoll (1877–1947), Australian brigadier general, Administrator of Territory of New Guinea
See also Mount McNicoll, British Columbia Port McNicoll, Ontario Nicoll McNicol McNicholl