Executed Thai monarchs

Taksin the Great or the King of Thonburi (17 April 1734 – 7 April 1782) was a Thai Chinese general who became the only King of Thonburi that ruled Siam from 1767 to 1782.

monarch of Ayutthaya

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

king of Ayutthaya

King of Ayutthaya

Ratsadathirat (, ) was the twelfth king of Ayutthaya, an ancient kingdom in Thailand. He was a son of Borommarachathirat IV and succeeded his father to the throne of Ayutthaya at the age of five in 895 LE (2076 BE, 1533/34 CE). The following year, after having been on the throne for five months, he was put to death by his relative, Chairachathirat, who then assumed the kingship.

Athittayawong (, ) was the shortest-reigning monarch of Ayutthaya, ruling for about 36 days in 1629 and often regarded as the last king of the Sukhothai dynasty.

former King of Thailand

Yotfa () or Kaeofa () was the 14th Ayutthayan king from the Suphannaphum Dynasty (c. 1536 – 10 June 1548)

Chetthathirat (, ) or Borommaracha II (; 1613 – 1629) was the eldest son of King Song Tham and older brother of Athittayawong and Phra Sisin or Phra Phanpi Sisin (); all three were members of the Sukhothai dynasty. In childhood he was known as Chetthakuman (พระเชษฐากุมาร), meaning 'Chettha the Infant', or simply Chettha.