Wald is a German surname meaning "forest". Notable people with the surname include:
Abraham Wald (1902–1950), Hungarian mathematician of German descent Carol Wald (1935–2000), American artist Charles F. Wald (born 1948), American military officer Daniel Wald (born 1982), German politician David Wald, American voice actor David J. Wald (born 1962), American seismologist Diane Wald, American poet Eduard Wald (1905–1978), German Resistance member, politician, unionist Elijah Wald (born 1959), American folk blues guitarist and music historian Florence Wald (1917–2008), "mother of the American hospice movement" František Wald (1861–1931), German-Czech chemist George Wald (1906–1997), American biologist and Nobel Laureate Jerry Wald (1916–1962), American film producer and screenwriter Karl Wald (1916–2011), German football referee Lillian Wald (1867–1940), American nurse and social worker Michael S. Wald, American lawyer currently the Jackson Eli Reynolds Professor of Law, Emeritus at Stanford Law School. Nicholas Wald (born 1944), British professor, Fellow of the Royal Society Orli Wald (1914–1962), German Resistance member, concentration camp survivor, "Angel of Auschwitz" Patricia Wald (1928–2019), American judge Robert Wald (born 1947), American physicist Warren Wald (born 1980), English Pop Idol contestant