Denis Thomalla

Thomalla played youth football for SV Büchenbronn and Karlsruher SC. He started his senior career at TSG 1899 Hoffenheim where he made four appearances in the Bundesliga. In 2013, Thomalla left Hoffenheim for RB Leipzig where played three in the 2. Bundesliga. On 1 September 2014, he was loaned out to SV Ried. On 23 June 2015, Thomalla signed a three-year contract with Polish club Lech Poznań. On 12 January 2016, Thomalla was loaned to 1. FC Heidenheim with the option of a permanent move. In April, Heidenheim chose to make use of the option to sign him permanently. On 17 January 2025, Thomalla signed a one-and-a-half-year contract with Cypriot club AEL Limassol.

A youth international for Germany, Thomalla is eligible for the Polish and German national teams.

As of match played 7 November 2025

Thomalla was born in Pforzheim, Germany to a Polish family originally from Opole.