Cem Filiz, better known with his stage name Cem Adrian (born 30 November 1980) is a Turkish musician, singer-songwriter and record producer.
His father was a merchant, while his mother was a housewife. Adrian was born to a family from Yugoslavia in Edirne, as the second child of his parents. His real name is Cem Filiz. Adrian chose his stage name after Hadrianopolis, the original name of Edirne in ancient times. He later met Fazıl Say through Demet Sağıroğlu, and with Say's invitation, he enrolled in Bilkent University's Department of Performing Arts.
In 2003, he worked as a soloist and dancer for the group Mystica. In February 2005, he release his first album Ben Bu Şarkıyı Sana Yazdım. This album includes the songs which Adrian had recorded by himself between 1997 and 2003 in Edirne. In January 2006, he started working on his second self-produced album. Aşk Bu Gece Şehri Terk Etti, which contained 13 songs written by himself, was released in December 2006. Artists Umay Umay, Denizhan and Suicide were featured on three of the album's songs.