Gest is a surname. Notable people with the surname include:
Alain Gest (born 1950), French politician David Gest (1953–2016), American television producer John B. Gest (1823–1907), American banker and lawyer Joseph Henry Gest (1859–1935), American artist and museum director Lillian Gest (1897–1986), American mountain climber, writer Morris Gest (1875–1942), Jewish-American theatrical producer William H. Gest (1838-1912), member of the United States House of Representatives from Illinois