William Silva de Carvalho ComM (born 7 April 1992) is a Portuguese professional footballer who plays as a defensive midfielder for La Liga club Real Betis.

He spent most of his career with Sporting CP since making his debut with the first team at age 18, going on to appear in 193 competitive matches and win the 2015 Taça de Portugal.

[3] He joined Sporting CP's youth system at age 13, making his official debut with the first team on 3 April 2011 by playing injury time in a 1–1 away draw against Vitória S.C. in the Primeira Liga,[4] then spent six months on loan to C.D.

[6] His first professional goal came on 7 April in a 6–4 home win over Oud-Heverlee Leuven,[7] and a year later he helped the team to the final of the Belgian Cup, where they lost 2–0 to K.R.C.

[8] Carvalho returned for the 2013–14 campaign, being a defensive mainstay for newly appointed coach Leonardo Jardim[9] and scoring his first goal for the side on 27 October, netting the 1–1 equaliser in an eventual 3–1 defeat at FC Porto.

[12] Carvalho began 2014–15 by seeing a red card – his first ever – in a 1–1 home draw against Académica de Coimbra, receiving his marching orders after a second bookable offence in the 65th minute.

[14] Among continued transfer speculation linking him with a number of English Premier League sides, including Arsenal again, manager Jorge Jesus claimed that Carvalho would remain at the club.

[24] Days later, he suffered a spinal disc herniation and did not return until February;[25] he played only 13 games over the season, and was subsequently linked with Leicester City.

[29] On 13 September 2024, during a home fixture against CD Leganés, he completely ruptured the Achilles tendon of his right leg, going on to miss the rest of the campaign.

[36] He made his debut in the competition on 22 June, playing the second half of the 2–2 group stage draw against the United States after replacing injured André Almeida.

He was elected player of the tournament due to his performances, even though he missed the decisive attempt in the penalty shootout in the final against Sweden, with it saved by Patrik Carlgren after a 0–0 draw in Prague.