The Assembly of Notables () was the constituent assembly of the Sovereign Principality of the United Netherlands. They met on 29 March 1814 in the New Church in Amsterdam. Sovereign Prince William I of the Netherlands had invited 600 notables for the assembly, 474 of whom showed up. Only 26 of those present voted against the new Constitution.
The notables were selected per French department, which the Netherlands was still using after the Incorporation of the Netherlands. The departments were: Bouches-de-l'Escaut, (), Ems-Occidental (), Bouches-de-l'Yssel (), Bouches-de-la-Meuse (), Bouches-du-Rhin (), Frise (), Yssel-Supérieur () and Zuyderzée ().