Nicholl is a surname. Notable people with the surname include:
Andrew Nicholl (1804–1886), Irish artistAnthony Nicholl (died 1658), English politicianCharles Nicholl (1870–1939), Wales international rugby union playerCharles Nicholl (author), English historian and biographerChris Nicholl (born 1946), Northern Ireland soccer playerDavid Nicholl (anarchist), British anarchistDavid Nicholl (neurologist), British neurologistDavid Nicholl (rugby player) (1871–1918), Wales international rugby union playerDon Nicholl (1925–1980), British-American screenwriter and producerDonald Nicholl (1923–1997), British historian and theologianEdward Nicholl (1862–1939), British officer of the Royal Naval ReserveFrederick Nicholl (1814–1893), English lawyer and cricketerHazelton Nicholl (1882–1956), Royal Air Force officerJames Nicholl (1890 – c. 1955), Scottish footballerJimmy Nicholl (born 1956), Canadian-Northern Ireland soccer playerJohn Nicholl (disambiguation), multiple peopleLouise Townsend Nicholl (1890–1981), American poet and editorMargaret Suzanne Nicholl (1897–1983), American missionaryPeter Nicholl (born 1944), New Zealand economistRobert Nicoll (1814–1837), Scottish poet, sometimes spelled NichollSam Nicholl (1869–1937), Major League Baseball playerTerry Nicholl (born 1952) English football midfielderWilliam Nicholl (1868–1922), rugby union footballer