ARM Guanajuato is the name of the following ships of the Mexican Navy, named for Guanajuato:

ARM Guanajuato (C-07), a gunboat in service 1936–2001, museum ship from 2007 until scapping in 2023 ARM Guanajuato (PO-153), a in commission since 2001

See also Guanajuato (disambiguation)