Henri "Rie" Dekens (Anderlecht, 27 June 1914 - 1976) was a former Belgian football player and trainer.
He started his career as player with RSC Anderlecht and afterwards he coached among others Club Brugge, Thor Waterschei and the Belgium national football team (with Constant Vanden Stock as national player selector).
Dekens was an attacking winger and in those days he had players as Constant Vanden Stock as companion.
In 1960 under supervision of player selector Constant Vanden Stock he also trained the national squad.
Dekens was assigned as successor of Juan Schwanner, and ensured a prolonged stay of "Blue-Black" in First Class.