Bouillon can refer to

• a Belgian town: Bouillon
• a commune in the Pyrénées-Atlantiques département, in France: Bouillon, Pyrénées-Atlantiques
• an old commune in the département of Manche which is now a part of Jullouville
• the County of Bouillon which existed during the Middle Ages in Lower Lorraine, and whose counts included Godfrey de Bouillon
• the Duchy of Bouillon which existed between 1291 and 1806 and belonged to the bishops of Liege and then to the La Tour d'Auvergne family
• a Haitian soup: Bouillon (soup)
• Bouillon cubes are used in cooking, especially in soups.
• a simple broth: Bouillon (broth)

Bouillon | Bouillon