Names of people in this category are sorted by given name, according to Thai practice. The sortkey of this category is maintained by User:cewbot.

House of Vudhijaya (ราชสกุลวุฒิชัย) is a Thai royal house descended from the Chakri dynasty. It is originated by Prince Vudhijaya Chalermlabha, the Prince of Singha, son of King Chulalongkorn, Rama V of Siam.