Jaywon is of Korean origin, derived from the Sino-Korean compounds "Jae" meaning "victory" and "Won" meaning "circle" or "enclosure." It is a unisex name but is more commonly given to boys. In Korea, Jaywon is often written as 재원.
"Jaywon saw an increase in popularity between 2002 and 2005, with a total of 16 babies named Jaywon born during this period."