Sina Herrmann (born 24 October 2001) is a German tennis player.

[1] She has a career-high WTA singles ranking of world No.

424, achieved in September 2022, and a best doubles ranking of No.

Herrmann made her WTA Tour main-draw debut at the 2021 Hamburg European Open in the doubles competition where she and partner Lisa Matviyenko lost to Astra Sharma and Rosalie van der Hoek in the first round.

This biographical article relating to German tennis is a stub.