1966 National Challenge Cup
|  Dewar Challenge Cup | |
| Tournament details | |
|---|---|
| Country | United States | 
| Defending champions | New York Ukrainians | 
| Final positions | |
| Champions | Philadelphia Ukrainian Nationals (4th title) | 
| Runners-up | Orange County Soccer Club | 
| 1967 CONCACAF Champions' Cup | Philadelphia Ukrainian Nationals | 
The 1966 National Challenge Cup was the 53rd edition of the USSFA's annual open soccer championship. The Philadelphia Ukrainians defeated the Orange County Soccer Club to win.
Final
| Orange County (CA) | 0–1 | Ukrainian Nationals (PA) | 
|---|---|---|
|  78'  Carlos Yacovino | 
Rancho La Cienga Stadium, Los Angeles, California
| Ukrainian Nationals (PA) | 3–0 | Orange County (CA) | 
|---|---|---|
| George Benitez  18' Carlos Yacovino  28' (pen.) Henry Wagner  35' | 
Cambria Stadium Philadelphia Pennsylvania
Attendance: 3,000
References
- "1966 US Open Cup results". 1966 US Open Cup results TheCup.us. January 26, 2009. Retrieved July 11, 2021.