Yoo Seung-ok (born June 21, 1990) is a South Korean model .

After winning the special prize at Miss Korea 2013, she worked as a booth babe at the 2013 Seoul Motor Show.

In November 2014, she became the first Asian woman to reach the top five at Muscle Mania, held in Las Vegas.

[1] In 2017, she donated a portion of her earnings from her modelling and her cinematic appearances to the "Yoo Seung-ok Kindergarten" in South Sudan.

[2][3] In addition to her many modelling and acting roles, she was also the first South Korean UFC Octagon girl in 2015.