Felix Seiwald (born 20 August 2000) is an Austrian former professional footballer who played as a left-back.

He began his senior career with the reserves of Ried in 2019, signing his first professional contract on 17 June 2019 before being promoted to the first team in 2020.

[3] He was recalled early to Ried on 30 June 2021 to train with their first team, earning Vorwärts Steyr some compensation.

[4] On 13 July 2023, Seiwald signed a one-season contract with Floridsdorfer AC.

[5] In September 2024, Seiwald announced that he ended his playing career at the age of 24 to focus on his studies.