Ritwik Bhattacharya (Bengali: ঋত্বিক ভট্টাচার্য; born 14 October 1979 in Pathankot) is a squash player from India.

Ritwik trained in England for five years under coach Neil Harvey, and was once India's highest ranked squash player (until superseded by Saurav Ghosal in 2013) and its most successful with nine PSA tour titles till date.

Trainees at Bhattacharya's academy are now a regular fixture on the Junior National Circuit.

Ritwik Bhattacharya was in relationship with Bollywood actress Neha Dhupia but they split in June 2010.

This biographical article relating to an Indian squash figure is a stub.