The County of Grenville is one of the 37 counties of Victoria which are part of the cadastral divisions of Australia, used for land titles.

It is located to the north-east of Lake Corangamite and includes Cressy.

The boundary to the east is the Yarrowee River, and to the south part of the Barwon River.

Colac is on its southern edge.

This article about a location in Victoria, Australia is a stub.