Born in 1985 in Çanakkale, Onur Tuna completed his high school education in Bursa and graduated from İzmir 9 Eylül University Faculty of Economics for his undergraduate education; afterwards, he studied at Ege University State Turkish Music Conservatory in the Art Music department for a year.

Onur Tuna, who swallowed the dust of the theater stage at a young age, took part in various theater plays during his university years. Tuna studied acting at Müjdat Gezen Art Center for about three years and worked as a photomodel at Neşe Erberk's agency.

She started her acting career in 2011 with the TV series Hayat Devam Ediyor (Life Goes On), and went on to star in the TV series Cesur Yürek, Bi Küçük Eylül Meselesi (A Small September Matter), Ağır Romantik (Heavy Romance) and Benden Ne Olur? She starred in feature films, Yadel Uzun's short film "Dirt" and the series Forbidden Fruit.

The actor, who played the character of Ferman Eryiğit in the series Mucize Doktor between 2019-2021, gave life to the character of Public Prosecutor Fırat Bulut in the series Hidden Truth until October 2022. The artist, who also worked on dubbing and singles, also did the series music of the series Forbidden Fruit for a while.