To pay tribute to the contributions made by Wallace Lambert in the field of immersion education at an international level, this article highlights initiatives undertaken to revitalize regional languages through immersion education in France. Based on the immersion model, school-based programs have been implemented in France to teach regional languages such as Occitan, Basque, and Catalan in the south, Corsican on the island of Corsica, Breton in the northwest, and German in the eastern regions of Alsace and Moselle. This article points out many differences across these regional contexts, but concludes by emphasizing common issues that need to be addressed across the different regions with respect to pedagogical practices and professional development