Randa Cemil Markos-Thomas[8][9] (born August 10, 1985) is an Assyrian Iraqi-born Canadian professional mixed martial artist who competes in the strawweight division.

[14] Markos made her pro MMA debut on November 17, 2012 at IFC 51 defeating Allanna Jones via third round armbar.

Markos compiled an unblemished 3–0 record making her RFA debut against future TUF 20 teammate Justine Kish.

She quickly bounced back by defeating Lynnell House via armbar in the first round and capturing the PFC Strawweight title.

[16] Markos was among the final eight contestants that tried out for the TUF house, to join the 11 Invicta FC strawweights that President Dana White had acquired.

Tension began to build when several of the fighters wanted to train separately and have two sessions per day, one in the morning and one at night.

[20] Markos made her promotional debut at The Ultimate Fighter 20 Finale, taking on fellow semi-finalist Jessica Penne.

[25] Markos defeated Jocelyn Jones-Lybarger at UFC Fight Night 89 on June 18, 2016, by unanimous decision.

[27] Markos next faced Carla Esparza on February 19, 2017 at UFC Fight Night: Lewis vs. Browne.

[28] On August 5, 2017, Markos faced Alexa Grasso at UFC Fight Night: Pettis vs. Moreno.

[43] Markos faced Amanda Ribas, replacing injured Paige VanZant on March 14, 2020 at UFC Fight Night 170.

[47] Markos faced promotional newcomer Kanako Murata, replacing injured Lívia Renata Souza, on November 14, 2020 at UFC Fight Night: Felder vs. dos Anjos.