2015 Regional League Division 2 Northern Region

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.

Promoted clubs
Sukkhothai and Phichit were promoted to the 2015 Thai Division 1 League.

Relegated clubs
Phitsanulok were relegated from the 2014 Thai Division 1 League.

Relocated clubs
Lopburi re-located to the Regional League Northern Division from the Central-East Division 2012. Singburi re-located to the Regional League Northern Division from the Central-West Division 2014.

Withdrawn clubs
Uthai Thani and Tak have withdrawn from the 2015 campaign.

Expansion clubs
Tak City joined the newly expanded league setup.