Early career Reijnders started his career with the
Twente youth team. He played at Twente until the U-17 team before being released to CSV '28 and playing for one year from 2015 to 2016. In 2016, Reijnders joined his hometown team
PEC Zwolle U-19 where he then moved up the level and appeared in the Eredivisie club's first team.
AZ In 2017, development of his career accelerated rapidly. From working at a local Aldi supermarket and training in Zwolle, he crossed over to AZ's Under-21 team and moved up to the first professional team in 2018. In 2020, he was loaned to
RKC Waalwijk for six months, from January to June. Afterwards, Reijnders returned to AZ and became part of the first team, in which he managed to play in the
2022–23 Europa Conference League semi-finals. Reijnders was named to the
Eredivisie Team of the Month in September 2022 and April 2023.
AC Milan On 19 July 2023, Reijnders joined
Serie A club
AC Milan, signing a five-year contract until June 2028. On 21 August, he made his first competitive start for Rossoneri in a Serie A match against
Bologna. On 11 November, in a Serie A match against
Lecce at the
Stadio Via del mare, Reijnders scored his debut goal for Milan. On 3 March 2025, AC Milan announced that Tijjani Reijnders had signed a contract extension, committing to the club until 30 June 2030. Reijnders was listed on the
2024–25 Serie A Team of the Season and was named the
Serie A Best Midfielder of the season.
Manchester City On 11 June 2025,
Premier League club
Manchester City announced the signing of Reijnders on a five-year deal reportedly worth £46.5m. On 16 August, Reijnders made his league debut for the club in a 4–0 away win against
Wolverhampton Wanderers, scoring the second goal of the game and assisting
Erling Haaland for the third. On 22 March 2026, Reijnders won his first trophy for the club, the
Carabao Cup, beating
Arsenal 2-0 in the final. ==International career==