Petros Gaïtanos (Greek: Πέτρος Γαϊτάνος born on October 31, 1967) is a Greek singer. He was born in Drama, Greece, and raised in the village of Kokkinogeia, where he remained until the age of 18 years.

He studied at the Athens Hellenic Odeum and has a degree of Byzantine music. He is deeply influenced by Byzantine music and has produced a series of records with Byzantine works and hymns.

During his artistic career he served as artistic director of the Foundation «Karitteion Melathron».