The Seneca WarChiefs are a Junior "B" box lacrosse team from Irving, New York.

Co-founded in August 2013 by long-time friends Charles Scanlan and Michael Snyder, Seneca WarChiefs were one of four founding member teams in the Iroquois Nations Junior B Lacrosse League.

[2] Seneca played the first game in INJBLL history on May 24, 2014, defeating Tonawanda Jr. Braves 27-4 at Cattaraugus Community Center.

Facing the second-place Onondaga Jr. Redhawks in the league championship, Seneca won the best-of five series 3-1 (20-7, 10-12, 18-5, 17-5).

Their only loss in the round robin was a 12-6 defeat at the hands of the OJBLL champion Six Nations Rebels.