| Jean-Jacques Desandrouin | |
| Birth Date: | 1681 5, mf=yes |
| Birth Place: | Charleroi, Belgium |
| Death Place: | Charleroi, Belgium |
| Occupation: | Business, Glass, Steel & Coal Industry |
| Spouse: |
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| Parents: | Viscount Gédéon Desandrouin and Marie de Condé |
| Children: | Pierre Jacques Gédéon (de Marie-Charlotte) Marie Madeleine Sophie Jean-Marie Stanislas François Joseph Théodore Désandrouin Pierre Alexandre |
The Viscount Jean-Jacques Desandrouin (May 25, 1681 - 16 November 1761) came from the district of Lodelinsart belonging to the Belgian city of Charleroi. His name is connected to the beginnings of the industrial revolution in Belgium and the massive expansion of coal mining in the area of Anzin in northern France. For the spelling of his name, there are variants 'Désandrouin or 'Desandrouins or sometimes De Sandrouin and Androuins.
His activities changed the face of this region. His economic success was based on his involvement in the manufacture of glass, in metal production, in forging and in promotion and transport of coal. He co-founded and owned the most important mining company in his time the Compagnie des mines d'Anzin, which was founded on November 19, 1757.