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 also has a career-high WTA doubles ranking of 566, set on 13 September 2021. She has won one singles title and four 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.