Altuğ Çelikbilek (; born 7 September 1996) is ğÇa Turkish professional tennis player.
Çelikbilek has a career high ATP singles ranking of World No. 154 achieved on 21 February 2022. He also has a career high ATP doubles ranking of World No. 224, achieved on 25 July 2022. Çelikbilek has won 2 ATP Challengers and 5 ITF singles titles and 11 ITF doubles titles. He is currently the No. 2 Turkish player.
Professional career
He made his Grand Slam debut at the 2021 French Open as a qualifier.
Çelikbilek has represented Turkey at Davis Cup, where he has a win–loss record of 5–7.
ATP Challenger and ITF Futures finals
Singles: 11 (8–3)
Doubles: 27 (12–15)