Malick Thiaw (born 8 August 2001) is a German professional footballer who plays as a centre-back for the German club Schalke 04.
In his childhood Thiaw played for TV Kalkum-Wittlaer, a club in Düsseldorf. Via Fortuna Düsseldorf, Bayer 04 Leverkusen, and Borussia Mönchengladbach he joined the youth academy of Schalke 04 in 2015. He made his professional debut with Schalke in a 1–1 draw against Hoffenheim in the Bundesliga on 7 March 2020.
Thiaw was born and raised in Germany to a Senegalese father and Finnish mother, and holds German and Finnish passports. In 2017, he was called up to represent the Finland U17s, but did not play for them. On 15 March 2021, Thiaw was called up to represent the Germany U21s for the 2021 UEFA European Under-21 Championship.