Rama Ratchathirat

Ramrachathirat รามราชาธิราช
King of Ayutthaya
Reign	757 LE (1395/96 CE) – 771 LE (1409/10 CE)
Predecessor	Ramesuan
Successor	Inracha
Born	ca 718 LE (1356/57 CE)
Dynasty	Uthong
Father	Ramesuan

Ramrachathirat (Thai: รามราชาธิราช) was a king of Ayutthaya, an ancient kingdom in Thailand.

A son of Ramesuan and member of the House of Uthong, he succeeded his father to the throne of Ayutthaya in 757 LE (1938 BE, 1395/96 CE). He reigned until 771 LE (1952 BE, 1409/10 CE) when he was deposed in a coup by Inracha, his relative from the House of Suphannaphum. This coup marked the end of Uthong and the rise of Suphannaphum, which would rule over Ayutthaya for almost two hundred years.

Historical sources vary in relation to the fate of the dethroned monarch. Some say he was banished. Some say he was executed.

He is merely known as Ram (Thai: ; "Rāma") in most historical sources, including the Bradley Chronicle, the British Museum Chronicle, LP, the Phan Channumat Chronicle, the Phonnarat Chronicle, and the Royal Autograph Chronicle.

VV, a Dutch document written by Jeremias Van Vliet in 1640 CE, refers to him as Prae Rhaem (Thai: ; "Divine Rāma").

But modern documents often refer to him as Ramracha (Thai: ; "Rāma the Lord") or Ramrachathirat (Thai: ; "Rāma the Supreme Lord of Lords"). The latter is the name accepted by the Historical Revision Commission of Thailand (Thai: คณะกรรมการชำระประวัติศาสตร์ไทย).

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