Callum John Styles (born 27 March 2000) is a professional footballer who plays as a midfielder or winger[3] for EFL Championship club West Bromwich Albion.

[4][5] Styles joined League One club Bury and made his debut professional team in their final game of the season against Southend United on 8 May 2016.

[12] Styles made his debut for Barnsley on 9 March 2019 as a substitute against Accrington Stanley, replacing Mamadou Thiam.

He scored his first goal for the Tykes, netting away at Brentford on the final day of the following season, helping the Yorkshire outfit retain their Championship status.

[17] On 23 December 2023, he gave an assist to John McAtee from the middle of his half against Stevenage[18][19] On deadline day, 1 September 2022, Styles signed a new contract at Barnsley until 2025 before joining Millwall on a season-long loan.

However, he played in the subsequent match against Cardiff City In the following training, he felt something strange in his leg and the physio scanned and found out that his injury is more serious than it was previously thought.

[40] On 14 June 2022, he started Hungary's 4–0 victory over England in the 2020–21 UEFA Nations League at Molineux Stadium in Wolverhampton.

[43][44] He made his only appearance at the tournament on 24 June, starting in midfield as Hungary beat Scotland 1–0 in their final Group A match.

[50] In an interview with Nemzeti Sport, he said that the reason why he did not speak Hungarian is that his grandmother used to talk about Hungary, but did not teach him any of the language.