Dexter Benedict St. Louis (21 March 1968 – 16 May 2019)[3] was a Trinidadian table tennis player.

[2] St. Louis made his official debut for the 1996 Summer Olympics in Atlanta, Georgia, where he competed in the men's singles.

He placed fourth in a group pool round against Brazil's Hugo Hoyama, Sweden's Jörgen Persson, and North Korea's Kim Song-Hui, with a total score of 82 points and a tally of 3 straight losses.

Twelve years after competing in his last Olympics, St. Louis qualified again for the men's singles, as a 40-year-old, at the 2008 Summer Olympics in Beijing, by winning the Latin American Qualification Tournament in Santo Domingo, Dominican Republic.

[5] He lost the first preliminary round match to Canada's Zhang Peng, with a unanimous set score of 0–4.