Engelhard or Engellhard is a surname. Notable people with the surname include:
Alexander Engelhard (born 1972), German politician Annette de la Renta (born 1939), American philanthropist, socialite and widow of fashion designer Oscar de la Renta; known as Annette Engelhard after adoption by Charles Engelhard Jr. Charles W. Engelhard Jr. (1917–1971), American industrialist Doris Engelhard (born 1949), German religious sister, last nun working in Europe as a brewmaster Georgia Engelhard (1906–1986), American mountain climber Hans A. Engelhard (1934–2008), German politician and jurist, former Federal Minister of Justice of Germany Hermann Engelhard (1903–1984), German middle-distance runner George Heinrich Engellhard, American 19th century fraktur artist Heinrich Engelhard (priest) (fl. 1476–1551), Swiss canon, humanist and supporter of the Reformation in Zürich Jane Engelhard (1917–2004), American philanthropist, wife of Charles Engelhard Jr. Konrad Engelhard (died after March 1525), Zürich councillor, military commander and bailiff Nina Engelhard (), German long-distance and mountain runner Philippine Engelhard (1756–1831), German poet Rudolf Engelhard (born 1950), German politician Wilhelm Engelhard (1813–1902), German sculptor and painter
See also Engelhardt