Louis of Évreux (also called "of Navarre"; 1341 – 1376) was the youngest son of Philip III of Navarre and Joan II of Navarre. He inherited the county of Beaumont-le-Roger from his father (1343) and became Duke of Durazzo in right of his second wife, Joanna, in 1366. Louis's first marriage was to Maria de Lizarazu in 1358. He took part on behalf of his brother Charles II of Navarre in the war against the Dauphin Charles. He had an illegitimate son, , who would be the founder of the House of Beaumont, which would have a main role in the Navarrese Civil War next century.