Dennis Warmerdam (born 6 August 1994)[1] is a Dutch field hockey player who plays as a forward for Hoofdklasse club Bloemendaal.

[3] Warmerdam made his debut for the Netherlands U–21 team in 2014 at the EuroHockey Junior Championship in Waterloo.

[5] Warmerdam made his senior debut for the Oranje in 2021 during season three of the FIH Pro League.

[6][5] After he was not selected in the squad for the 2023 Men's EuroHockey Championship, he announced his retirement from international hockey in September 2023.

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