Grey River is a rural locality in the Shire of Colac Otway, Victoria, Australia.

[2] It lies on the Great Ocean Road at the mouth of the Grey River, from which it derives its name.

Grey River Beach is located in the area, and contains car parking and picnic facilities.

Surf Life Saving Australia notes that the beach "is often more boulder than sand" and "unsuitable for safe bathing, apart from in the protected tidal pools at high tide."

[4][5] In December 2015, the locality was briefly evacuated due to the bushfires that severely damaged nearby Wye River and Separation Creek, and was subject to numerous bushfire warnings in the following days as serious fears were held that the fire, at the time still out of control, would burn in its direction.