Torsten Fassian (born January 30, 1967 in Differdange ) is a Luxembourg judoka in the "Up to 71kg" category. He was one of the best judokas in his nation. In his prime he had almost no competition in his category in Luxembourg. He got his black belt at the age of 17, making him one of the youngest judokas to get the black belt in Luxembourg and Europe. He is one of three judokas who won a fight at the Grand Slam in Paris (Marie Muller, Igor Muller).