Mitsi Konstadara (Greek: Μήτση Κωνσταντάρα) was an actress who mostly played in second roles. She was the sister of the great actor Lambros Konstadaras. She studied at the Drama School of the National Theater, where she graduated with excellent performance and first appeared in 1945 at the First State Stage in the 'Arlezianna' play.

Those years, there was a kind of theater, the famous 'Bouloukia'. Mitsi served this type with great success, but, for that, she disgruntled her family .