Irene Papas (Greek Ειρήνη Παππά; born 3 September 1926) is a Greek actress and occasional singer, who has starred in over seventy films in a career spanning more than fifty years.

Irene Papas was born as Irini Lelekou (Ειρήνη Λελέκου) in Chiliomodi outside Corinth, Greece.

She sits on the board of directors of the Anna-Marie Foundation.

Papas began her early career in Greece (she was discovered by Elia Kazan), achieving widespread fame there, before starring in internationally renowned films such as The Guns of Navarone and Zorba the Greek, and critically acclaimed films such as Z and Electra. She is a leading figure in cinematic transcriptions of ancient tragedy since she has portrayed Helen in The Trojan Women, Clytemnestra in Iphigenia, and the eponymous parts in Electra and Antigone. She appeared as Catherine of Aragon in the film Anne of the Thousand Days, opposite Richard Burton and Geneviève Bujold in 1969. She co-starred in The Trojan Women with Katharine Hepburn, who once said that Papas was "one of the best actresses in the history of cinema".^{[citation needed]}