Chalach Tantijibul (, born June 28, 1994), professionally known as 2J, is a Thai actor. He is best known for his roles in KinnPorsche (2022), Dead Friend Forever (2023), Near Clinic, Near My Heart (2025), Lover Merman (2025), and the film Sokaphiwat (2025).
In 2022, Chalach signed with BeonCloud and joined the cast of the BL series KinnPorsche, broadcast on One 31. The following year, he appeared in Dead Friend Forever, also produced by BeonCloud and streamed on iQIYI and One 31.
In December 2024, he signed with Go 2 INFINITY and was cast as the lead in the BL series Near Clinic, Near My Heart (2025), alongside Dew Jiramate Srinonghang. In 2025, he co-starred with Dew in Lover Merman, broadcast on Viki and Channel 7HD. That same year, he starred in the film Sokaphiwat, portraying Jessada Sokaphiwat, which premiered in Thai cinemas.