Yotfa
| Yotfa ยอดฟ้า | |
|---|---|
| King of Ayutthaya | |
| King of Siam | |
| Reign | 1546–1548 | 
| Predecessor | Chairachathirat | 
| Successor | Worawongsathirat | 
| Born | 1536 | 
| Died | 10 June 1548 (aged 11-12) Khok Phraya Temple (now in Ayutthaya, Ayutthaya Province) | 
| House | Suphannaphum Dynasty | 
| Father | Chairachathirat | 
| Mother | Si Suda Chan | 
Yotfa (Thai: ยอดฟ้า) or Kaeofa (Thai: แก้วฟ้า) was the 14th Ayutthayan king from the Suphannaphum Dynasty (c. 1536 – 10 June 1548)
Yotfa was a son of King Chairachathirat (พระไชยราชาธิราช) and his consort Lady Si Suda Chan (ท้าวศรีสุดาจันทร์). He reigned from 1546 until his murder in 1548.: 37–38