Borommarachathirat

Borommaracha or Borom Racha (บรมราชา, ; Paramarājā; "Supreme King"), or the extended version Borommarachathirat or Borom Rachathirat (บรมราชาธิราช, ; Paramarājādhirāja; "Supreme King of High kings"), was a Thai royal title, and may refer to:


 * Borommarachathirat I (died 1388), third king of Ayutthaya Kingdom
 * Borommarachathirat II (died 1448), king of Ayutthaya
 * Borommarachathirat III (died 1491), king of Ayutthaya from 1488 to 1491
 * Borommarachathirat IV (died 1533), short-reigning king of Ayutthaya from 1529 to 1533
 * Taksin (1734–1782), known in some documents as Borommarachathirat IV