Kool Ka Lang (transl. Just Be Cool) is a Philippine television situational comedy series broadcast by GMA Network. Starring Raymart Santiago, it premiered on October 19, 1998 on the network's KiliTV line up replacing Ibang Klase. The series concluded on October 13, 2003 and was replaced by Lagot Ka, Isusumbong Kita in its timeslot. The series is streaming online on YouTube.