Humbert V de Beaujeu (1198 – mid 1250) was Constable of France (1240) under King Louis IX.
He participated in the Albigensian Crusade under king Louis VIII of France.
In 1232 he went to Constantinople to visit his nephew, the Latin Emperor Baldwin II of Courtenay.
In 1248, he embarked on the Seventh Crusade to Egypt and laid siege to the city of Mansoura.
In Mansoura, the king's younger brother, Robert I, Count of Artois, died on February 8, 1250.