Haris Alexiou (Greek: Χάρις Αλεξίου, born 27 December 1950 in Thebes, Greece as Hariklia Roupaka, Greek: Χαρίκλεια Ρουπάκα) is a Greek singer. She is one of the most popular singers in Greece and has been commercially successful since the 1970s.

She has worked with important Greek songwriters and composers, has performed at top musical theatres all over the world, and has received several awards. She has recorded over thirty albums and has been featured on albums of other musicians. Eight of her personal albums released between 1977 and 2003 have surpassed 1.