Katerina Didaskalou is a Greek film, theater and television actress. Didaskalou was born in Athens, but grew up in various cities in Greece, following her father, who was a senior judge.

After high school, she continued her studies at the Philosophical School of Athens and also at the Drama School of the National Theatre, from where she graduated with honors. With a scholarship from the Onassis Foundation, she went to New York to continue her studies at Columbia University in film acting, as well as at the Uta Hagen HB Studio in theater acting.