1915–16 National Challenge Cup
![]() Dewar Challenge Cup  | |
| Tournament details | |
|---|---|
| Country | United States | 
| Defending champions | Bethlehem Steel | 
| Final positions | |
| Champions | Bethlehem Steel (2nd title) | 
| Runners-up | Fall River Rovers | 
The 1915–16 National Challenge Cup was the third tournament of the modern-day Lamar Hunt U.S. Open Cup. Bethlehem Steel won its second consecutive championship. The entries for the competition were to be made by midnight September 30, 1915. The draw for the qualifying and first rounds was made on October 2, 1915. The tournament schedule was originally set for the qualifying round to take place on or before October 24; first round, November 14; second round, December 12; third round, January 16, 1916; fourth round, March 5; semis, April 2, and final on April 30.
Bracket
Home teams listed on top of bracket
a) aggregate after 3 games
b) forfeit replay
Final
| Bethlehem Steel (PA) | 1–0 | Fall River Rovers (MA) | 
|---|---|---|
| Fleming  | 
Report | 
 Bill Duncan
 Sam Fletcher
 Jock Ferguson
 Thomas Murray
 James Campbell
 Bob Morrison (c)- Samuel MacDonald
 
 Fred Pepper
 Neil Clarke
 Paddy Butler
 Tommy Fleming- Manager: Horace Lewis
 
 Chick Albion
 Frank Booth- Charles Burns
 - Frederick Burns
 - Pierre Bouchard
 - William Stone
 - Arthur Morgan
 - John Sullivan
 - John Dalton
 
 Thomas Swords (c)- Oliva Garant
 - Manager: Randolph Howarth
 
