Cansel Deniz (born 26 August 1991) is a Kazakh taekwondo practitioner.

She represented Kazakhstan at the 2016 Summer Olympics in Rio de Janeiro, in the women's −67 kg and [1] at the 2020 Summer Olympics in Tokyo, in the women's + 67 kg.

At the 2018 Asian Games, she clinched a silver medal in the women's +67 kg event losing to South Korean Lee Da-bin.

[2][3] In 2023, she competed in the women's middleweight event at the World Taekwondo Championships held in Baku, Azerbaijan.

She then took part in the 2022 Asian Games and won the bronze medal in the women's +67 kg.