Gulnoza Jumaboy qizi Matniyazova (born 10 August 1994) is an Uzbekistani judoka.

[1] She competed at the 2016 Summer Olympics in the women's 70 kg event, in which she was eliminated in the first round by Katarzyna Kłys.

[4] At the 2019 Asian-Pacific Judo Championships held in Fujairah, United Arab Emirates, she won the silver medal in the women's 70 kg event.

[5] In the women's 70 kg event at the 2019 Military World Games held in Wuhan, China, she won one of the bronze medals.

[6] In 2021, she competed in the women's 70 kg event at the Judo World Masters held in Doha, Qatar.