2015 Regional League Division 2 Northern Region is the seventh season of the League competition since its establishment in 2009. It is in the third tier of the Thai football league system.
Sukkhothai and Phichit were promoted to the 2015 Thai Division 1 League.
Phitsanulok were relegated from the 2014 Thai Division 1 League.
Lopburi re-located to the Regional League Northern Division from the Central-East Division 2012.<br> Singburi re-located to the Regional League Northern Division from the Central-West Division 2014.
Uthai Thani and Tak have withdrawn from the 2015 campaign.
Tak City joined the newly expanded league setup.
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