செல்லப்பா) (29 September 1912 – 18 December 1998) was a Tamil writer, journalist and Indian independence movement activist.
[1][2] He belonged to the "Manikodi" literary movement along with Pudhumaipithan, Ku Pa Ra, Va. Ramasamy, N. Pichamoorthi and A. N. Sivaraman.
In the early years of his life, Chellappa was influenced by Bhagat Singh but later he adopted Mahatma Gandhi's creed of non-violence.
He spent six months in jail and on his return, established a paper manufacturing industry.
By the time of his death in 1998, Chellappa had written over 109 short stories and 50 articles.