Chayakorn Jutamas (ชยกร จุฑามาศ; born March 9, 2001), nicknamed as JJ (เจเจ), is a Thai actor under GMMTV. In 2023, he graduated with a bachelor's degree from the College of Social Communication Innovation at Srinakharinwirot University, majoring in Cyber Business Management.

He made his acting debut in 2018 with a supporting role in the series "The Gifted" (นักเรียนพลังกิฟต์).

JJ has an identical twin brother named AJ Chayapol Jutamas.