Constantijn Jonker (born 20 September 1987)[1] is a former field hockey player from the Netherlands, who played as a forward.

[3] At a domestic level, Jonker plays for his home club, SV Kampong in the Dutch Hoofdklasse.

[4] Constantijn Jonker made his debut for the Netherlands in 2006, at just nineteen years of age.

[6] Jonker retired from international hockey in 2016 after he failed to make the Rio Olympic team.

This biographical article relating to a Dutch field hockey figure is a stub.