Gamze Altun (born 29 July 2003) is a Turkish weightlifter competing in the 45 kg division.

She is a native of Tarsus, Mersin, southern Turkey.

[1] Altun took the siver medal in the 45 kg clean and jerk event at the 2023 European Weightlifting Championships in Yerevan, Armenia.

[2][3] At the 2024 European Weightlifting Championships in Sofia, Bulgaria, she won the gold medal in the Clean & Jerk event with 92 kg and the silver medal in total with 157 kg.

Her lift in Clean & Jerk became the new European U23 record.