Callum James Hudson-Odoi (born 7 November 2000) is an English professional footballer who plays as a winger for Premier League club Nottingham Forest.

During his time with Chelsea's academy, Hudson-Odoi was part of the squads which won the U18 Premier League in 2017 as well as back-to-back FA Youth Cup titles.

Hudson-Odoi also enjoyed considerable success at youth level for England, being part of the squad which ended as runners-up in the UEFA European Under-17 Championship and which won the FIFA U-17 World Cup in the same year.

In March 2019, he became the youngest player to debut in a competitive match for England, doing so in UEFA Euro 2020 qualifier against the Czech Republic.

[12] On 20 December 2017, Hudson-Odoi first appeared in Chelsea's matchday squad in their EFL Cup tie against AFC Bournemouth, remaining as an unused substitute in the 2–1 victory.

[15] Following an impressive 2018–19 pre-season under the newly appointed Maurizio Sarri, the Italian announced that Hudson-Odoi would stay with the Chelsea first-team squad for the forthcoming campaign.

On 5 August 2018, Hudson-Odoi made his first start for the club during their FA Community Shield defeat to Manchester City, featuring for 59 minutes in the 2–0 loss.

[18] On 5 January 2019, in Chelsea's FA Cup third-round opener against Nottingham Forest, he assisted both of Álvaro Morata's goals in a 2–0 win.

[28] On 3 April, he made his first league start for Chelsea and assisted Olivier Giroud for the opening goal in a 3–0 win over Brighton & Hove Albion.

In doing so, he became the youngest player to assist a goal on his first start for the club in the Premier League era, aged 18 years and 146 days.

[29] On 22 April 2019, Hudson-Odoi was removed in the first half of a match against Burnley with an injury to his Achilles tendon, ruling him out for the rest of the season.

[40] Hudson-Odoi scored his first goal of the new season, coming off the bench to net Chelsea's second in an eventual 3–3 draw away to West Bromwich Albion on 26 September.

"[43] Hudson-Odoi was named Man of the Match in Chelsea's 2–0 win against Burnley on 31 January 2021, also providing the assist for César Azpilicueta's goal.

[58] In the following fixture, Hudson-Odoi scored against his former club Chelsea to register his eighth goal of the 2023–24 Premier League season.

[65] Hudson-Odoi was also an influential figure during England's 2017 FIFA U-17 World Cup campaign, netting once in seven appearances and featuring for the entire 90 minutes during their 5–2 final victory over Spain.

[71] Three days later, he made his first competitive start for England and impressed in a 5–1 win over Montenegro, registering an assist for his Chelsea teammate Ross Barkley's two goals.