Lily Papagianni (Athens, 1932 - 2015) was a Greek actress.

She studied at the Drama School of the Art Theatre, from where she graduated in 1958, and subsequently collaborated with various troupes. More specifically, her first steps were taken with her participation in the play "Ploutos" by Aristophanes in 1957. Since then, she has been hosted in several troupes such as Mary Aroni's (Manto Mavrogenous, Diavolemeni Mylonou), Kyria Katerina's (The Innocents), and Elli Lampeti's in 1962.