Nicoll is a surname. Notable people with the surname include:
Alexander Nicoll, a Scottish orientalistCourtlandt Nicoll (1880–1938), New York state senatorDe Lancey Nicoll (1854–1931), New York lawyerFergus Nicoll, broadcaster and journalistJames Nicoll, Canadian Usenet figureJohn Fearns Nicoll Colonial Secretary of Hong Kong from 1949 to 1952, and British Colonial Governor of Singapore from 1952 to 1955Matthias Nicoll (1630 – December 22, 1687), aka Nicolls, was 6th Mayor of New York City from 1672 to 1673Maurice Nicoll, Scottish follower of G. I. GurdjieffMichael John Nicoll (1880-1925), British ornithologistNathaniel Lee Nicoll, American musician B! MachineRobert Nicoll, Scottish poetWilliam Robertson Nicoll, Scottish editor