Uldall is a surname. Notable people with the surname include:
Bjørn Uldall (born 1994), Danish ice hockey player Elizabeth T. Uldall (1913–2004), American linguist and phonetician Gunnar Uldall (1940–2017), German politician and former state minister of Economy and Labour in Hamburg Hans Jørgen Uldall (1907–1957), Danish linguist
See also Udall (disambiguation)