Nicoll is a surname. Notable people with the surname include:
Alexander Nicoll, a Scottish orientalist
Courtlandt Nicoll (1880–1938), New York state senator
De Lancey Nicoll (1854–1931), New York lawyer
Fergus Nicoll, broadcaster and journalist
James Nicoll, Canadian Usenet figure
John Fearns Nicoll Colonial Secretary of Hong Kong from 1949 to 1952, and British Colonial Governor of Singapore from 1952 to 1955
Matthias Nicoll (1630 – December 22, 1687), aka Nicolls, was 6th Mayor of New York City from 1672 to 1673
Maurice Nicoll, Scottish follower of G. I. Gurdjieff
Michael John Nicoll (1880-1925), British ornithologist
Nathaniel Lee Nicoll, American musician B! Machine
Robert Nicoll, Scottish poet
William Robertson Nicoll, Scottish editor
