The United States Navy, the Russian Navy, and the Peruvian Navy (with the Almirante Grau, an ex-Dutch cruiser built shortly after World War II) are the only remaining navies which operate cruisers.

• 只有五艘巡洋舰的主炮口径在此之上：三艘德国德意志级装甲舰和美国海军在第二次世界大战中使用的两艘阿拉斯加级大型巡洋舰。