This is the 2015-16 Niagara & District Junior C Hockey League season. The league champion moves on to the 2016 Clarence Schmalz Cup. This is the league's 42nd season dating back to when its' founding members were removed from the then Central Junior C Hockey League (which is now known as the Western Ontario Junior C Hockey League).
This would be the league's final season under this identity as a major consolidation which had been In the works since 2014, in the spring of 2016 it was announced that the eight Junior C leagues of the Ontario Hockey Association would merge for the 2016-17 season to create the Provincial Junior Hockey League. The union was in an effort to streamline rules across the classification and to promote growth and development.
- none, but the St. George Dukes have been on hiatus for the past two seasons and did not return for the 2015-16 season.
|Dundas Blues||Dundas||1963||Market Street Arena|
|Dunnville Jr. Mudcats||Dunnville||1974||Dunnville Memorial Arena|
|Glanbrook Rangers||Glanbrook||1975||Glanbrook Arena|
|Grimsby Peach Kings||Grimsby||1922||Peach King Centre|
|Hagersville Hawks||Hagersville||1992||Hagersville Memorial Arena|
|Niagara Riverhawks||Niagara-on-the-Lake||1987||Gale Centre|
|Port Dover Sailors||Port Dover||1988||Port Dover Arena|
|Simcoe Storm||Simcoe||1959||Talbot Gardens|
- St. George Dukes (team has sat out the 2013-14 and 2014-15 seasons)
|Grimsby Peach Kings||43||29||11||2||1||-||184||115||628||61|
|Dunnville Jr. Mudcats||42||16||24||1||1||-||161||172||1065||34|
|Port Dover Sailors||43||14||26||1||2||-||153||197||956||31|
All teams qualify for the playoffs. All series are best-of-seven. Teams are re-seeded after the quarterfinals.
- Glanbrook Rangers defeated Simcoe Storm 4 games to none (5-2, 3-2, 5-0, 7-0)
- Grimsby Peach Kings defeated Port Dover Sailors 4 games to 2 (1-4, 4-3, 0-2, 4-1, 3-0, 5-1)
- Dundas Blues defeated Dunnville Jr. Mudcats 4 games to none (4-2, 5-1, 5-3, 3-2 (ot))
- Hagersville Hawks defeated Niagara Riverhawks 4 games to 1 (0-1, 5-1, 4-0, 4-1, 8-4)
- Glanbrook Rangers defeated Hagersville Hawks 4 games to 3 (4-3, 5-2, 4-5, 4-3, 1-5, 1-2, 8-2)
- Grimsby Peach Kings defeated Dundas Blues 4 games to 3 (2-4, 4-1, 4-0, 2-1, 1-5, 1-3, 1-0)
- Grimsby Peach Kings defeated Glanbrook Rangers 4 games to 3 (4-3 (ot), 3-4, 4-0, 4-3 (ot), 1-4, 3-4, 3-2)