Vasily Konstantinovich (died 1308) was the Prince of Ryazan in 1301–1308, son of Konstantin Romanovich.

The only recorded mentioning of Vasily Konstantinovich dates back to 1308, when he was killed by the Mongols

Mongols

Mongols ) are a Central-East Asian ethnic group that lives mainly in the countries of Mongolia, China, and Russia. In China, ethnic Mongols can be found mainly in the central north region of China such as Inner Mongolia...

 for reasons unknown during his visit to the Golden Horde

Golden Horde

The Golden Horde was a Mongol and later Turkicized khanate that formed the north-western sector of the Mongol Empire...

. It appears that Vasily Konstantinovich ruled over the Principality of Ryazan, while his father Konstantin Romanovich was being held in Moscow

Moscow

Moscow is the capital, the most populous city, and the most populous federal subject of Russia. The city is a major political, economic, cultural, scientific, religious, financial, educational, and transportation centre of Russia and the continent...

 against his will (1301–1306). Upon the death of his father in 1306, he managed to keep his power despite the claims from Ivan Yaroslavich and Mikhail Yaroslavich (rulers of Pronsk

Pronsk

Pronsk is an urban locality and the administrative center of Pronsky District of Ryazan Oblast, Russia. Population: Pronsk was first attested in chronicles in 1186...

). It is believed that the princes of Pronsk were somehow involved in the killing of Vasily Konstantinovich by the Mongols.