The 2016 Argentine Primera B Metropolitana was the 117th. season of Primera B Metropolitana, the third division of the Argentine football league system. The season began on 5 Febrero and ended on 13 June 2016. Twenty teams competed in the league.
The championship had the addition of San Telmo and Talleres de Remedios de Escalada, which had promoted from the 2015 Primera C season.
Flandria won their first Primera B title, earning 37 points in 19 matches played and promoting to the upper division, Primera Nacional. On the other hand, Deportivo Armenio was relegated as the worst placed team.