Kaiti Konstantinou (Greek: Καίτη Κωνσταντίνου, Rododaphne, Achaia, 18 December 1962 – Athens, 10 March 2025) was a Greek comedic actress of theatre, film and television. She became particularly known for her role as Soso Papadima in the comedy series Crimes (1998-2000). She participated in many television series, theatre performances and films.