Tenryū (天竜市, Tenryū-shi) was a city located in western Shizuoka Prefecture, Japan.

On April 1, 2005, the city had an estimated population of 22,643 and a density of 124.65 persons per km2.

On July 1, 2005, Tenryū, along with the city of Hamakita, the town of Haruno (from Shūchi District, the towns of Hosoe, Inasa and Mikkabi (all from Inasa District), the towns of Sakuma and Misakubo, the village of Tatsuyama (all from Iwata District), and the towns of Maisaka and Yūtō (both from Hamana District), was merged into the expanded city of Hamamatsu.

[1][2] Tenryū was served by two railway lines: Nishi-Kajima Station on the Enshū Railway Line and Tenryū-Futamata Station on the Tenryū Hamanako Railroad Tenryū Hamanako Line.

This Shizuoka Prefecture location article is a stub.