Billy van Duijl (born 4 October 2005) is a Dutch professional footballer who plays as a defender for club AZ Alkmaar.
Club career From Volendam, he came through the youth system at FC Volendam, making his debut at the age of 16 in the Eerste Divisie against FC Dordrecht in August 2022, having only made his debut for Jong Volendam a few months earlier.
He joined AZ Alkmaar in 2024. Having played 47 matches for Jong AZ, he started to play for the senior AZ team in 2026, despite having options to leave on loan. Van Duijl scored his first goal for AZ in March 2026 against PSV. He signed a new contract with the club in April 2026, having played ten matches for the first team in all competitions. That month, van Duijl started for the club against Ukrainian club Shakhtar Donetsk in the UEFA Conference League. On 19 April 2026, he appeared as a substitute in the 2026 KNVB Cup final, as AZ defeated NEC 5–1.
Personal life Outside of football, van Duijl is also pursuing a part-time degree in Business & Innovation.
Career statistics
+ Appearances and goals by club, season and competitionClubSeasonLeagueCupEuropeOtherTotalDivisionAppsGoalsAppsGoalsAppsGoalsAppsGoalsAppsGoalsJong Volendam2021–22Tweede Divisie80———802022–23Tweede Divisie270———270Total350———350Volendam2021–22Eerste Divisie20———202022–23Eredivisie3000——302023–24Eredivisie0000——00Total5000——50Jong AZ2024–25Eerste Divisie230———2302025–26Eerste Divisie240———240Total470———470AZ2025–26Eredivisie712040—1312026–27Eredivisie0000001010Total71204010141Career total941204010991
Honours AZ KNVB Cup: 2025–26 Johan Cruyff Shield: 2026
References