Bernat Guillem de Montpeller

- d. El Puig, 1238) was a noble, who married into the Catalan House of Entença.

In July 1215, he received the barony of Fraga, together with the possession of other castles ceded by his brother, Guillem d'Entença.

Previously, parts of Fraga were shared with the Count of Urgell and the Viscount of Béarn.

The king returned rent money that had gone to Urgell back to Fraga and Entença in 1215.

His son, Bernat Guillem II d'Entença would inherit his possessions.