Reginald of Burgundy (died 1321) was count of Montbéliard from 1282 to 1321. He was a son of Hugh of Chalon (from the house of Ivrée), sire of Salins, and his wife Adelaide. He married Guillemette de Neufchatel and they had a daughter, Joanna, who married first Ulrich III, Count of Pfirt and second Rudolf of Baden. By her first marriage she had 4 daughters, of whom two survived - Joanna of Pfirt, wife of Albert II, Duke of Austria and Ursula. After Reginald's death in 1322, his daughter Joanna inherited his lands. After Ulrich's death in 1324, she remarried and had 2 more daughters, Margaret and Adelaide.