Irene "Rena" Koumioti (Greek: Ειρήνη (Ρένα) Κουμιώτη) is a Greek musician. She has also appeared briefly on cinema and television.
Koumioti was born in the Nea Ionia district of Athens in May 3, in the late 40s; Her father was a refugee from Constantinople (Istanbul) and her mother a refugee from Smyrna (Izmir).
Koumioti is one of the foremost representatives of the Greek New Wave genre. Her breakthrough came when in 1968 while singing at the Apanemia musical club in Athens, she was heard by Lefteris Papadopoulos who then asked her to sing with Giannis Poulopoulos for the Dromos (Greek: Ο δρόμος, "The road") album. Her discographical career was short --last album recording was in 1980-- but important; for a period she had moved to Canada where she stayed for eight years. Koumioti has been active in live performances to this day.