നായർ) or simply A. S., was a painter, illustrator and cartoonist from Kerala, India.
He was born in Karalmanna village of Palakkad district and had his training from Madras School of Arts.
Most of Nair's works were original illustrations for novels and short stories, most of them published in Mathrubhumi weekly.
[1] Illustrations for the Malayalam translation of V. S. Khandekar's Marathi novel Yayati was one of his most noted works.
Chitrangal A.S. (Current Books), edited by R. J. Prasad, collects Nair's writings, illustrations and covers.