Cynthia Mathez (born 10 October 1985) is a Swiss para-badminton player and curler who competes in the WH1 category. Mathez is part of the Swiss national para-badminton team and won gold at the European Para Badminton Championships with her doubles partner Karin Suter-Erath in Rodez in 2018. She competed in the 2020 Summer Paralympics in Tokyo.