ARM Benito Juárez (POLA-101) is the lead ship of Reformador-class frigate of the Mexican Navy.

[3] The ship was laid down on 17 August 2017 at Damen Schelde Naval Shipbuilding in Vlissingen, the Netherlands.

[1] The frigate was launched and officially named as ARM Reformador (POLA-101) on 23 November 2018 in a ceremony at ASTIMAR 20 in Salina Cruz, Oaxaca, coinciding with the Mexican Navy Day.

[6] Reformador was handed over to the Mexican Navy and commissioned on 6 February 2020 in a ceremony at ASTIMAR 20 in Salina Cruz.

[7][8] The frigate was renamed to ARM Benito Juárez in March 2020, ordered by President Andrés Manuel López Obrador.