Untermyer or Untermaier may refer to:

Untermyer Fountain, in Manhattan, New York Untermyer Park and Gardens, in Yonkers, New York

People with the surname Cécile Untermaier (born 1951), French politician and civil servant Irwin Untermyer (1886-1973), American jurist, civic leader, and patron of the arts Samuel Untermyer (1858–1940), American Zionist, lawyer, civic leader and millionaire Samuel Untermyer II (1912–2001), United States nuclear scientist

See also Untermeyer (disambiguation)