Peter Fourier was a 16th-century French priest and canon regular who dedicated his life to pastoral service and education. Born in Mirecourt, he declined high ecclesiastical positions to serve as a parish priest in Mattaincourt. He is recognized for his significant contributions to pedagogy and his efforts to reform religious communities. Alongside Alix Le Clerc, he established a congregation of canonesses focused on providing free schooling to children, a mission that expanded significantly through his innovative teaching methods.