Gina Mazany (born August 19, 1988) is an American mixed martial artist who competed in the Ultimate Fighting Championship (UFC). She formerly competed in King of the Cage in the Bantamweight division.

Mazany was born in Anchorage, Alaska, United States. Mazany was a figure skater when she was young. Mazany graduated from Bartlett High School. She competed her first combat sport in boxing when she was eighteen and transitioned to mixed martial arts (MMA) not long after.

Mazany amassed a record of 4–0 prior joining UFC and She won the women's bantamweight Alaska Fight Championship, beating Katie Halley in 2016.

On September 4, 2013, Mazany competed as a fighter on The Ultimate Fighter: Team Rousey vs. Team Tate. On one of the 16 preliminary fights, Mazany faced Julianna Peña and she lost the fight via unanimous decision after two rounds.

Mazany made her promotional debut on February 19, 2017. She faced Sara McMann, replacing Liz Carmouche at UFC Fight Night 105. She lost the fight via submission due to an arm-triangle choke in the first round.

Her second fight in UFC came on November 25, 2017, facing Yanan Wu at UFC Fight Night 122. She won the fight via unanimous decision.

On May 27, 2018, Mazany faced Lina Länsberg at UFC Fight Night 130. She lost the fight via unanimous decision.

Mazany faced Macy Chiasson on March 2, 2019, at UFC 235. She lost the fight via TKO in the first round.