Dunner is a surname. Notable people with the surname include:
Aba Dunner (1937–2011), British Jewish social activist David L. Dunner (born 1940), American psychiatrist Josef Hirsch Dunner (1913–2007), German-born English orthodox rabbi Joseph Hirsch Dünner (1833–1911), Austrian-born Dutch orthodox rabbi Leslie Dunner (born 1956), American conductor and composer Pini Dunner (born 1970), British-born American orthodox rabbi Lukas Dunner (born 12 February 2002), Austrian racing driver
See also Dunn (surname) Duner