Gunn Junhavat is a Thai actor, host and singer under Nadao Bangkok from 2016 to 2022. He was previously under contract with 2007 to 2015. He graduated from the College of Music, Mahidol University, majoring in Music Technology (Electric Guitar).

Gunn is best known for his role as Tar in the 2015 GTH's Hormones: The Series and as a host of the series Hangover Thailand. He's dating Thai actress Ticha Wongtipkanon.