BAP Coronel Bolognesi was a scout cruiser of the Peruvian Navy, the lead ship of its class. Along with its sister ship Almirante Grau, Coronel Bolognesi was one of Peru's two most powerful warships for the first half of the twentieth century. The ship was named for Francisco Bolognesi, a hero of the country for his service in the War of the Pacific.

The Almirante Grau class was a class of two scout cruisers built for the Peruvian Navy between 1905 and 1907. Both ships remained in service until 1958.