Katlyn Cerminara (née Chookagian; born December 28, 1988) is an American professional mixed martial artist.

[8][9] Her teammates and training partners have included Gordon Ryan, Claudia Gadelha, Sijara Eubanks, and the team captain Frankie Edgar.

Cerminara holds a bachelor's degree in business management and marketing from Fairleigh Dickinson University.

[10] After going 7–0 as an amateur, Cerminara made her professional mixed martial arts debut against Rebecca Heintzman on June 28, 2014, at CFFC 37.

[13] Katlyn Cerminara secured a knockout triumph against 44-year-old Brigitte Narcise at 38 seconds of the final round in the flyweight category.

Finally, on May 9, 2015, she fought twice in the same day, beating Linn Wennergren by unanimous decision,[15] and Melinda Fábián by submission in the first round.

[16] The results continued great: two belts, two victories by unanimous decision and one by knockout, due to a knee.

[23] Cerminara faced Mara Romero Borella on January 27, 2018, at UFC on Fox: Jacaré vs. Brunson 2.

In a post-fight interview, Cerminara claimed that the UFC declined to negotiate a new contract with her prior to the Jennifer Maia bout, making her a free agent.

[51] Cerminara was scheduled to face Manon Fiorot on September 3, 2022, at UFC Fight Night 209.

[52] However, Cerminara withdrew due to unknown reasons in mid June and was replaced by former UFC Women's Strawweight Champion Jéssica Andrade.

[53] In turn, Andrade withdrew in mid-July due to undisclosed reasons and was replaced by Fiorot's original opponent: Cerminara.