Thijmen Blokzijl (born 25 February 2005) is a Dutch professional footballer who plays as a centre-back for Eredivisie club Groningen.

Blokzijl joined the youth teams of Groningen at the age of 11 and was first called up to the senior squad in May 2021.

[2] Blokzijl made his Eredivisie debut for Groningen on 8 January 2023 in a game against Excelsior.

[3] He represented Netherlands at the 2022 UEFA European Under-17 Championship, where they were the runners-up.

[4] This biographical article related to association football in the Netherlands, about a defender, is a stub.