Roger I. Trencavel

Roger I. Trencavel († 1150 ) was a viscount of Carcassonne, Albi Razès and out of the house Trencavel. He was the eldest son of the Viscount Bernard Aton IV Trencavel and his wife Cecilia of Provence.

He was since 1139 with Bernarde, a daughter of Count Bernard I of Comminges, married. Rogers Testament dated 12 August 1150th Since his marriage remained childless, he bequeathed his property to his brother Raymond I. Trencavel.