Nanna Ditzel (6 October 1923 in Copenhagen - 17 June 2005 in Copenhagen) was a Danish furniture designer.She studied at the Danish School of Arts and Crafts and the Royal Danish Academy of Fine Arts in Copenhagen with painter Victor Isbrand, Orla Mølgaard-Nielsen, Peter Hvidt and Kaare Klint graduating in 1946.
Her works include cabinet-making, jewellery, tableware and textiles.
She also created jewellery designs for Georg Jensen and furniture for Frederica.