Last name 吉勇 (Jiyong 
, 吉勇 ) , all around the world, is quite a common family name. The cognomen 吉勇 is characteristic of South Korea, where it is quite a rare surname, Malaysia, where it is a rare surname, and Myanmar. Measured by absolute frequency, the name is most common in South Korea, China, and Indonesia. More prevalently, 吉勇 is the forename as well as the last name.