The Magritte Award for Best Costume Design (French: Magritte des meilleurs costumes) is an award presented annually by the Académie André Delvaux. It is one of the Magritte Awards, which were established to recognize excellence in Belgian cinematic achievements. The 1st Magritte Awards ceremony was held in 2011 with and receiving the award for their work in Sister Smile. As of the 2022 ceremony, is the most recent winner in this category for his work in Madly in Life.