Nicollet or Nicolet may refer to:
Canada Nicolet, Quebec, the county seat of Nicolet-Yamaska Regional County Municipality Nicolet River, Quebec, Canada Nicolet (federal electoral district)
People Anne-Antoinette Nicolet (1743-1817), French actor and theatre director Aurèle Nicolet (1926–2016), Swiss flautist Hercule Nicolet (1801–1872), Swiss lithographer and entomologist Jean Nicolet (1598–1642), French explorer from the 17th century Joseph Nicollet (1786–1843), French explorer from the 19th century Philippe Nicolet (born 1953), Swiss film director
United States Minnesota Nicollet, Minnesota Nicollet Avenue, a major street in Minneapolis Nicollet County, Minnesota Nicollet Island, in the Mississippi River north of downtown Minneapolis Nicollet Mall, in downtown Minneapolis Nicollet Park, former baseball stadium in Minneapolis Nicollet Township, Nicollet County, Minnesota
Wisconsin Nicolet Area Technical College, a technical college whose main campus is in Rhinelander Wisconsin Nicolet High School, a public secondary school located in Glendale, Wisconsin
Other uses Nicollet, a former train which operated on the current route of the Hiawatha (Amtrak train), which operates between Chicago and Milwaukee Nicollet (crater), on the Moon Nicolet 1080 (1971–1986), a minicomputer
See also Chequamegon-Nicolet National Forest, a U.S. National Forest in northern Wisconsin, United States Nicolette (disambiguation)