Jetrin Wattanasin or J Jetrin, is a Thai pop musician and actor who got his first major break in the music business when he secured heavy promotion by the Thai entertainment company, GMM Grammy. Since 1991, he has produced numerous commercially successful music albums, and continues to tour internationally in support of his most recent recordings. Upon the conclusion of his current United States tour, entitled "The Return of J Jetrin," he will have completed the most extensive tour of the United States by any Thai recording artist, with dates scheduled in 12 US cities, spanning from Hawaii to the East Coast.

Charoen Wattanasin is a former badminton player from Thailand who won international championships in the late 1950s and early 1960s.