Mathys De Carvalho Soares (born 1 May 2005) is a professional footballer who plays as a defensive midfielder for club Lyon. Born in France, he represents Portugal at youth level.
A native of Lyon, De Carvalho was formed at the Olympique Lyonnais youth academy.
On 11 July 2025, De Carvalho signed his first professional contract with Lyon for a duration of 3 years, until June 2028. Following this signature, he was promoted to Lyon's first team by coach Paulo Fonseca. He made his debut for Lyon on 19 September 2025 in a 1âÂÂ0 home win against Angers in Ligue 1, coming in as a substitute in the 81st minute. A few days later, on 25 September 2025, De Carvalho started his first game for Lyon in a 1âÂÂ0 victory over Utrecht in the UEFA Europa League league phase.
Eligible to play for France and Portugal, De Carvalho opted to represent Portugal at international level. He made his debut for Portugal under-20s in October 2025.
De Carvalho is of Portuguese descent.