Nicholas Harrison

Nicholas or Nick Harrison may refer to:
 * Nicholas Harrison (physicist) (born 1964), English theoretical physicist
 * Nicholas Harrison (athlete) (born 1970), Australian long-distance runner
 * Nick Harrison (cricketer) (born 1992), English cricketer
 * Nick Harrison (racing) (1982–2019), American stock car racing crew chief
 * Nick Harrison (Shortland Street), a character on Shortland Street
 * Nicky Harrison, strings arranger for The Rolling Stones' album Goats Head Soup