Gilder is a surname. It may refer to:
Bob Gilder (born 1950), professional golfer Eric Gilder (1911–2000), English musicologist Gary Gilder (born 1974), South African cricketer George Gilder (born 1939), American writer and political activist Jeannette Leonard Gilder (1849–1916), journalist Joseph Benson Gilder (1858–1936), journalist Nick Gilder (born 1951), Canadian musician Richard Gilder (1932–2020), American investor, cofounder of Club for Growth Richard Watson Gilder (1844–1909), American poet and editor Sean Gilder (born 1964), English stage, film and screen actor Trey Gilder (born 1985), American professional basketball player Virginia Gilder (born 1958), American rower William Henry Gilder (explorer) (1838–1900), American journalist, soldier, and explorer
See also Van Gilder (disambiguation)