Mathias Pereira Lage (born 30 November 1996) is a professional footballer who plays as a midfielder for club FC St. Pauli. Born in France, he is a former Portugal youth international.
On 12 February 2016, Pereira Lage made his senior debut, appearing with Clermont in a Ligue 2 match against Ajaccio after coming on as a substitute in the 55th minute. In just his second appearance on 1 April for the same competition, he scored his first professional goal, in the dying minutes of a 3âÂÂ0 away win over Créteil. In June 2022, he joined Breton club Brest.
On 20 June 2025, Pereira Lage signed with FC St. Pauli in Germany.
Born in France, Pereira Lage is of Portuguese descent. He played for the Portugal U21s in 2018.