Olivier Thill

As a senior player, Thill started playing club football for FC Progrès Niederkorn from 2015 to 2018. On 31 August 2018, he signed a four-year contract with the Russian Premier League club FC Ufa. Three weeks before that, he scored a goal for his previous club Progrès against FC Ufa in the Europa League qualifier. On 17 October 2020, his contract with Ufa was terminated by mutual consent. On 30 December 2020, Ukrainian Premier League side Vorskla Poltava announced that they had signed a 2-year deal with Thill. On 7 March 2022, FIFA announced that, due to the Russian invasion of Ukraine, all the contracts of foreign players in Ukraine are suspended until 30 June 2022 and they are allowed to sign with clubs outside Ukraine until that date. On 30 March 2022, Thill signed with Turkish club Eyüpspor until 30 June 2022 using the new rule. On 18 February 2024, Thill returned to Ukraine and signed with LNZ Cherkasy. Thill returned to Progrès Niederkorn in summer of 2025 on a three-year deal. After a stint in the Serbian SuperLiga with IMT in the latter half of 2025, Thill inked a two-year deal with Käerjéng 97 in Luxembourg for the 2026-2027 campaign.

Thill made his international debut for the Luxembourg national team on 31 August 2017 in a 1–0 win over Belarus.

International

Scores and results list Luxembourg's goal tally first, score column indicates score after each Thill goal.

Olivier is the brother of Sébastien Thill and Vincent Thill. Sébastien plays for Differdange, while Vincent is on the books at Waldhof Mannheim. The three are the sons of former international footballer Serge Thill.