The Ferrocarril Rosario y Puerto Belgrano (FCRPB) (in English: Rosario and Puerto Belgrano Railway and in French: Compagnie de Chemins de Fer Rosario-Puerto Belgrano) was a French-owned railway company which operated a broad gauge 5 ft 6 in (1676 mm) single track line between the cities of Rosario and Puerto Belgrano in Argentina. Puerto Belgrano near the city of Bahía Blanca in Buenos Aires Province is the main naval base in Argentina.
