Groen, founded as Agalev, is a green Flemish political party in Belgium. Its French-speaking equivalent is Ecolo; the two parties maintain close relations with each other.

Ecolo, officially Écologistes Confédérés pour l'organisation de luttes originales is a French-speaking political party in Belgium based on green politics. The party is active in Wallonia, the Brussels-Capital Region, and the German-speaking Community of Belgium.