Princess Elisabeth of Denmark, RE (born Elisabeth Caroline-Mathilde Alexandrine Helena Olga Thyra Feodora Estrid Margrethe Désirée; 8 May 1935 – 19 June 2018) was a Danish princess. She was born in Copenhagen. She was the daughter of Hereditary Prince Knud and Hereditary Princess Caroline-Mathilde of Denmark.

Princess Elisabeth was a first cousin of the present Danish monarch, Queen Margrethe II. She belonged to the House of Glücksburg.

Princess Elisabeth died on 19 June 2018 in Copenhagen at the age of 82.