Deniz Seki (born July 1, 1970) is a Turkish pop singer, songwriter and composer.

Through him, she worked as a vocalist for the singers Kenan Doğulu, Emel Müftüoğlu, Ege, Ferda Anıl Yarkın, Zuhal Olcay and Yaşar Günaç.

In 2013, Seki took part at the television song contest Veliaht, at which popular singers such as Nükhet Duru, Hande Yener, Cengiz Kurtoğlu, Musa Eroğlu, Niran Ünsal, Emre Altuğ, Kutsi, Rafet El Roman and Kubat sought their heirs in music.

[1] Seki continued her career with the albums Aşk Denizi (2005), Sahici (2008), Sözyaşlarım (2011), İz (2014), and Uzun Hikaye (2018).

During her stay in the prison, she was guest actress in the December-2015 episode of the television series Eşkıya Dünyaya Hükümdar Olmaz by ATV appearing as the cell inmate of Deniz Çakır's character.

After being kept in detention for two days, she was released without charge; however, on February 23, 2009, Seki was rearrested by Drug Squad officers and detained at the gendarme station in Zekeriyaköy, Istanbul at the request of the public prosecutor.