Leopold Caro (1864–1939) was a Polish historical school economist, international sociologist working with Gustav von Schmoller's Verein für Socialpolitik (VfS), and a lawyer. Caro functioned as an advocate for rights of oversea migrants and the establishment of economic cooperatives. Broadly conceived, he was a conservative symphatizer of the Sanation movement in Polish interwar politics, especially of its technocratic wing under Kazimierz Bartel, while he also maintained some contact with Narodowa Demokracja. First and foremost, Leopold Caro acted as a Catholic economist, who had strong ties