Guillaume Léonard de Bellecombe (20 February 1728 – 28 February 1792) was Governor General of Réunion, Saint-Domingue and Pondichéry, and a Republican revolutionary. According to most accounts he was born in 1728 in France. Bellecombe engaged to Royal Roussillon and took part in French military expeditions overseas of the 2nd part of the 18th century. He had his last battles in New France (1755–1760) and a surprise expedition at St. John's, Newfoundland in 1762. He opposed the English everywhere, whether on the seas, or in the American continent, or in the Indies.