| Conventional Long Name: | Principality of Belyov |
| Common Name: | Belyov |
| Capital: | Belyov |
| Religion: | Russian Orthodoxy |
| Government Type: | Monarchy |
| Status: | Principality |
| Year End: | 1562 |
| Year Start: | 1430s |
| Common Languages: | Russian |
| Year Leader1: | ?-? (first) |
| Leader1: | Mikhail Vasilievich Belyovsky |
| Year Leader2: | 1558-1562 (last) |
| Leader2: | Dmytro Ivanovych Vyshnevetsky |
| P1: | Novosilsky principality |
| S1: | Tsardom of Russia |
| P2: | Odoyevsky principality |
| Flag S1: | Seal_of_Ivan_4_1539_a.svg |
| Border S1: | no |
| Today: | Russia |
Principality of Belyov was one of the Upper Oka Principalities from the 1430s to 1562. Town Belyov was centre of the principality.
In the 1420s, Belyovsky and Vorotynsky udels arose from Novosilsky-Odoyevsky principality. Since 1427, Princes of Belyov were underlings of Lithuania.
After 1432, Belyovsky udel became principality of Belyov. In 1437, a fighting happened near Belyov. Later the principality was underling of Moscow, but in the middle of the 15th yearhundred it came back to Lithuania. In 1492, Principality of Belyov became a land of Moscow forever. The last prince of Belyov was Dmytro Ivanovych Vyshnevetsky, who lost his right to the principality in 1562.[1]