Noussair Mazraoui (Arabic: نُصَيْر مَزرَاوِيّ; born 14 November 1997) is a professional footballer who plays as a defender for Premier League club Manchester United and the Morocco national team.

[5] He made his professional debut with Jong Ajax on 12 August 2016 in an Eerste Divisie game against Almere City, replacing Richairo Živković after 86 minutes.

[10] During his breakthrough season, he was named Ajax Talent of the Year, in which he won the domestic double with the club, played in the Champions League semi-finals, and scored four goals in a total of 48 matches.

[11] On 25 October 2020, Mazraoui scored his third Champions League goal in a 3–1 victory against Midtjylland,[12] in which Ajax eventually managed to win another domestic double in the 2020–21 season.

[15][16] In October 2023, during the Israel-Hamas war, Mazraoui shared a Pro-Palestinian video via Instagram wishing "victory to our oppressed brothers in Palestine", which was met with criticism from German Bundestag member Johannes Steiniger who demanded his extradition from the country.

[19] Following a Champions League match against Galatasaray in Istanbul, the club officials held talks with both Mazraoui and his Bayern Munich Israeli teammate Daniel Peretz; in addition, the former expressed willingness to meet members of Makkabi Deutschland.

[32][33] On 13 March 2022, Mazraoui and his Moroccan teammate, Hakim Ziyech, both rejected Halilhodžić's invitation to represent Morocco in the 2022 FIFA World Cup qualification – CAF third round against DR Congo.

[34][35] He later accepted to join the national team and represented Morocco in the 2022 FIFA World Cup after Halilhodžić was replaced by Walid Regragui.