2012–13 Eerste Klasse

The 2012–13 Eerste Klasse season was the third edition of the Dutch fifth tier since the Topklasse was formed as the third tier in 2010.

A total of 84 teams participated in the league. As usual, the competition is divided into eleven divisions: five divisions played on Saturdays and six divisions played on Sunday.

The champion of each division was directly promoted to the 2013–14 Hoofdklasse. Saturday Champions were: Sunday champions were:
 * SDV Barneveld
 * Deltasport
 * SV Oranje Wit
 * AZSV
 * Drachtster Boys
 * ASV De Dijk
 * VOC Rotterdam
 * VV De Valk
 * RKSV Bekkerveld
 * VV Alverna
 * FVC Leeuwarden