King Prajadhipok, full name: Phra Bat Somdet Phra Poramintharamaha Prajadhipok Phra Pok Klao Chao Yu Hua, in Thai: พระบาทสมเด็จพระปรมินทรมหาประชาธิปก พระปกเกล้าเจ้าอยู่หัว, also known as Rama VII, was the seventh monarch of the Chakri dynasty and the Rattanakosin Kingdom, in present-day Thailand.

His reign was the shortest in the dynasty’s history. He was the last absolute monarch and the first constitutional monarch of Siam.