Besthiyage Don Bertie Sangathissa Gunathilake (බර්ටි ගුණතිලක; 2 August 1924 – 6 March 2022), popularly as Berty Gunathilake, was an actor and comedian in Sri Lankan cinema and television. He was most notable for the role "Baba" in television comedy sitcom Vinoda Samaya.