Alf Lüdtke (18 October 1943 – 29 January 2019) (also Alf Luedtke) was a German historian. He was born in Dresden. He was a leading German representative of the history of everyday life ("Alltagsgeschichte" in German). Lüdtke was the founder and editor of the journal "Sozialwissenschaftliche Informationen", as well as co-founder and co-editor of the journals "Werkstatt Geschichte" and "Historische Anthropologie. Kultur – Gesellschaft – Alltag".