| Udayasimha | |
|---|---|
| Maharajadhiraja | |
| King of Javalipura | |
| Reign | c. 1204-1257 CE |
| Predecessor | Samarasimha |
| Successor | Chachigadeva |
| Issue | Chachigadeva |
| Dynasty | Chahamanas of Jalor |
| Father | Samarasimha |
Udaya-simha (IAST: Udayasiṃha, r. c. 1204-1257 CE) was an Indian king belonging to the Chahamana dynasty, who ruled the area around Javalipura (present-day Jalore in Rajasthan). The most powerful king of his dynasty, he overthrew the Chaulukya suzerainty, and became a sovereign ruler. However, some years later, he faced an invasion from the Delhi Sultanate, and became a tributary to the Sultan Iltutmish.