Christos Thiveos (born Athens, January 7, 1963) is a Greek singer and composer.

He became known for the band "Sinitheis Ypoptoi", which he created in 1994 with Alekos Vassilotos and Tassos Lolis. Sinitheis Ypoptoi broke up in 2000 and Christos continued his solo career. Christos Thebaios studied philosophy in Bologna with Professor Umberto Eco and worked as a musician with traditional Italian shapes and traditional Jewish music (Sephardic, Ashkenazi). In 1994 he forms Sinitheis Ypoptoi together with Alekos Vassilotos and Tassos Lolis. Christos Thiveos is the songwriter and singer of the band. Their first record work was released in 1996 by Lyra titled "Meres Adespotes". In the winter of 1997-1998 he appeared on the scene of "Iera Odos" with Giorgos Dalaras, Eleni Tsaligopoulou, Giorgos Andreou and Marios Frangoulis. From this collaboration comes the CD single "Live recording on the Iera Odos", released in the spring of 1998.