Sebastian Kunjukunju Bhagavathar (9 February 1901 in Ambalappuzha, Alappuzha district – 1985) was a Malayalam theatre actor, singer, and author.

[2] Along with Ochira Velukutty, he was responsible for breaking the monotony of musical operas with their 1930 play Karuna, an adaptation of Kumaran Asan's famous poetic piece.

Sebastian was born on 9 February 1901 to Pollayil Vincent and Margarita as their second child in Ambalappuzha taluk of Alappuzha district in the Indian state of Kerala.

During his stay in Ernakulam, Kunjukunju was busy with drama and music and paid little attention to his studies.

In 1929, "Royal Cinema & Dramatic Company" staged the drama Parudeesa Nashtam, which was based on John Milton's epic poem Paradise Lost.