| Sudawadi | |
|---|---|
| Princess consort of Ayutthaya Princess Yothathep | |
 Contemporary French depiction of Princess Yothathep | |
| Born | 1656 |
| Died | 1735 (aged 78–79) |
| Spouse | Phetracha |
| Issue | Prince Tratnoi |
| House | Prasat Thong Dynasty |
| Father | Narai |
| Mother | Kasattri |
Princess Sudawadi, the Princess Yothathep (Thai: สุดาวดี; 1656–1735) was the only child of Narai and Princess Suriyong Ratsami, one of his concubines. She lived through five reigns and died in the reign of King Borommakot.