Vijay SP Natarajan (born 27 October 1986) is an Indian professional tennis player.

[2] He did his schooling at PSSB (Padma Seshadri Bala Bhavan) and completed his graduation from Loyola college.

[3] He caught everyone's eye, when he won against Indian Davis Cup player Yuki Bhambri at 2015 Aircel Chennai Open.

Prashanth cracked into the Top 100 for the first time on 13 November 2023 after reaching the finals of the 2023 HPP Open in Helsinki, Finland.

[6] Partnering with Jeevan Nedunchezhiyan, Prashanth won the doubles title at the 2024 Hangzhou Open, defeating Constantin Frantzen and Hendrik Jebens in the final.