Olga Karlatos (Greek: Όλγα Καρλάτου; born 20 April 1947 in Athens) is a Greek-Italian actress known primarily for performing in Italian horror cinema.
Her films include My Friends (1975), Gloria mundi (1976), Keoma (1976), Wifemistress (1977), Blood and Diamonds (1978), Damned in Venice (1978), Cyclone (1978), Convoy Busters (1978), A Dangerous Toy (1979), Zombi 2 (1979), Velvet Hands (1979), Murder Rock (1984), Once Upon A Time In America (1984) and Purple Rain (1984).
She also appeared in TV productions such as Peter and Paul (1981), The Scarlet and the Black (1983) and Quo Vadis? (1985).
She married American director, producer and writer Arthur Rankin after he cast her in a 1983 television adaption of The Picture of Dorian Gray, The Sins of Dorian Gray. They settled in Bermuda.
In 2007, Karlatos graduated from Kent University with a law degree and was admitted to the Bermuda Bar Association in 2010.