Ponniyin Selvan (transl. The Son of Ponni) is a historical fiction novel by Indian author Kalki Krishnamurthy, written in Tamil language. It was first serialized in the weekly editions of Kalki, a Tamil magazine, from 29 October 1950 to 16 May 1954, and later integrated into five volumes in 1955. In about 2,210 pages, it tells the story of early days of Chola prince Arulmozhivarman. Kalki visited Sri Lanka three times to gather information and for inspiration.