Koninklijke Maatschappij Sportkring Deinze, or KMSK Deinze, is a Belgian football club founded in 1926 based in Deinze, East Flanders. The club colours are orange and black and the team currently plays in the Belgian First Division B, the second division of Belgian football, having won promotion from the Belgian First Amateur Division in 2020. Their home stadium is the 7,515-capacity Burgemeester Van de Wiele Stadion.