Tess Sugnaux (born 3 March 1995) is a Swiss tennis player.

Sugnaux has a career-high singles ranking of 413 by the Women's Tennis Association (WTA), achieved on 8 May 2017.

She has won two singles and five doubles titles on the ITF Women's Circuit.

Sugnaux made her WTA Tour debut at the 2019 Ladies Open Lausanne, when she received a wildcard into the main draw,[1] losing in the first round to Jasmine Paolini in straight sets.

[2] She also received a wildcard entry into the 2021 edition of the same tournament, but again lost in the first round in straight sets to an Italian, this time Lucia Bronzetti.