The Hann River is a river in the Kimberley region of Western Australia. The Hann has 12 tributaries including Traine River, Barnett River, Harris Creek, Bella Creek, Macnamara Creek, Crocodile Creek and Grey Mare Creek. The river rises below Mount Lacy and Sir John Gorge and then flows in a southerly direction past Mount Elizabeth then crossing the Gibb River Road. The river then cuts through the Barnett Range and then passes through the Phillips Range via Moll Gorge and flows through the Barnett Range until it flows into the Fitzroy River, of which it is a tributary, near Pinnamutta-Murrawong Hill.