Dirk Wanner Proper (born 24 February 2002) is a Dutch professional footballer who plays as a midfielder for Eredivisie club NEC.

[3] He made his professional debut in the Dutch second-tier Eerste Divisie on 13 December 2019 in a 3–2 loss to Almere City.

He gradually became integrated into the first team during this 2019–20 season, with head coach François Gesthuizen utilising him as an attacking midfielder.

[7] On 23 May 2021, Proper won promotion to the Eredivisie with NEC, by beating NAC Breda 2–1 in the final of the play-offs.

[8] Proper made his debut in the Eredivisie on 14 August 2021, the first matchday of the 2021–22 season, starting in a 5–0 away loss to Ajax at the Johan Cruyff Arena.