The office of the "President of the People's Committee" (ประธานคณะกรรมการราษฎร), later changed to "Prime Minister of Siam" (นายกรัฐมนตรีสยาม), was first created in the Temporary Constitution of 1932.
Chức vụ "Chủ tịch Ủy ban nhân dân Siêm" (ประธานคณะกรรมการราษฎร) sau đó đổi thành Thủ tướng Siêm (นายกรัฐมนตรีสยาม), lần đầu tiên được lập trong Hiến pháp tạm thời 1932.