Untermeyer is a surname. Notable people with the surname include:
Chase Untermeyer (born 1946), former United States ambassador to Qatar Jean Starr Untermeyer (1886–1970), American poet, translator, and educator Louis Untermeyer (1885–1977), American poet, anthologist, critic, and editor Bryna Ivens Untermeyer (1909–1985) wife of Louis Untermeyer Esther Antin Untermeyer (died 1983), wife of Louis Untermeyer
See also Untermyer (disambiguation)