Hugh IV (Occitan: Uc) (c. 1212–1274), of the House of Millau, was the Count of Rodez and Viscount of Carlat and Creyssel from 1221 until his death.
He redeemed his vow with the payment of a rather small sum of money towards Louis IX's Crusade in 1248.
It is possible that he is the coms de Rodes who is the dedicatee of three religious cansos by Folquet de Lunel: Dompna bona, bel'e plazens, Si quon la fuelh'el ramel, and Tant fin'amors totas horas m'afila.
Scholarship, however, is divided over whether the intended count was Hugh, indicating that the songs are a product of Folquet's youth, or his son Henry, making them a product of his maturity.
He married Isabeau (died 1271), daughter of Raymond I of Roquefeuil, and had five children: