This is a List of national sidecarcross champions, including the national championships of Belgium, Denmark, Estonia, France, Germany, Great Britain, Latvia, the Netherlands, Sweden and Switzerland. Of those competitions listed, the Belgian Championship is the oldest one, dating back to 1951, followed by the French, formed in 1956. Bold denotes, the team also won the Sidecarcross World Championship or one of its predecessor competitions, the FIM-Cup or FIM European Championship, in that season.