The Inva (Russian: Иньва) is a river in Perm Krai, Russia, a right tributary of the river Kama. It begins in the Upper Kama Upland near the border of Kirov oblast then flows through Komi-Permyak Okrug and into Kama Reservoir, forming Invensky Bay. The main tributaries are Velva and Kuva (left), Yusva (right).