2015 Primera B Nacional

Although there was some use of a different name earlier in the year, the AFA has consistently used the Primera B Nacional moniker in releases of late.

[2] It was later reported that the champion will be promoted directly and positions 2-5 will compete in the "Torneo Reducido" for the second place after the regular season.

Note: After the series ended 3–3 on aggregate, Patronato won 6–5 on penalties, promoting to Primera División.

Source: AFA A single play-off match was played on 25 November 2015 to determine the fourth team to be relegated.

Gimnasia y Esgrima de Mendoza lost the play-off match on penalties and were relegated.