Kingdom of Siam may refer to:
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Sukhothai Kingdom
The Sukhothai Kingdom ( th, สุโขทัย, , IAST: , ) was a post-classical Thai kingdom (mandala) in Mainland Southeast Asia surrounding the ancient capital city of Sukhothai in present-day north-central Thailand. The kingdom was fo ...
(1238–1351)
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Ayutthaya Kingdom
The Ayutthaya Kingdom (; th, อยุธยา, , IAST: or , ) was a Siamese kingdom that existed in Southeast Asia from 1351 to 1767, centered around the city of Ayutthaya, in Siam, or present-day Thailand. The Ayutthaya Kingdom is conside ...
(1351–1767)
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Thonburi Kingdom (1768–1782)
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Rattanakosin Kingdom (1782–1932)
The Rattanakosin Kingdom ( th, อาณาจักรรัตนโกสินทร์, , , abbreviated as , ) or Kingdom of Siam were names used to reference the fourth and current Thai people, Thai kingdom in the History of Thailand, h ...
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Thailand before 24 June 1939 and again from 8 September 1945 to 20 July 1949
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