Anna Monika Siepmann (born 26 January 2004) is a German taekwondo poomsae athlete and three-time European medalist.

[3] In 2021, Siepmann took part in the European Championships in Seixal, Portugal, winning a bronze medal in the junior women's individual competition in traditional forms and another bronze medal in pairs (a boy and a girl in a team of two) alongside her team-mate Tung-Duong Tim Do.

[3][7] At the 2023 European Championships in Innsbruck, Siepmann competed in the senior pairs event together with Tung-Duong Tim Do.

[9] In December 2024, she competed as part of the female three-person team in traditional poomsae at the World Poomsae Championships in Hong Kong, with which she placed seventh.

[10] Siepmann was appointed state coach for traditional poomsae of the Lower Saxony Taekwondo Union in 2024.