Radner is an English or German surname. Notable people with the surname include:
David Radner (1848–1901), Lithuanian Jewish translator Gilda Radner (1946–1989), American comedian and actress Maria Radner (1981–2015), German opera singer and passenger on Germanwings Flight 9525 Roy Radner (1927-2022), American economist and business professor Sidney Hollis Radner (1919-2011), American magician
See also Radnor (disambiguation)