2009–10 Northern Premier League
The 2009–10 season was the 42nd season for the Northern Premier League Premier Division, and the third season for the Northern Premier League Division One North and South.
For Sponsorship reasons, the leagues were more formally known as the Unibond Premier, Unibond 1st Division North and Unibond 1st Division South
This was the last season that the three Northern Premier League divisions were sponsored by Henkel Unibond, ending a record 17 seasons relationship.
The final allocations of teams following the 2008–09 season was released on 29 May 2009. With the restructuring of the national league system complete, all three divisions of the Northern Premier League had their full complement of twenty-two teams until the withdrawal of Newcastle Blue Star (see below).