Iris Clert (Greek: Ίρις Αθανασιάδη; Iris Athanasiadi; 1917 – 1986) was a Greek-born art gallery owner and curator. She owned the Galerie Iris Clert in Paris from 1955 to 1971. During its tenure, her gallery became an avant-garde hotspot in the international art scene, particularly to Yves Klein, Jean Tinguely and Arman. Originally of Greek nationality, Clert moved to Paris in the 1930s. She became active in the French Resistance during the Second World War. In 1978, Clert published her autobiography titled Iris-time: l'artventure.