| National Challenge Cup | |
| Year: | 1970 |
| Country: |  United States |
| Dates: | 25 January- 3 May 1970 |
| Defending Champions: | Greek American AA |
| Winners: | Elizabeth S.C. |
| Count: | 1 |
| Second: | Los Angeles Croatia |
| Continental Cup Title: | 1971 CONCACAF Champions' Cup |
| Continental Cup Qualifiers: | Elizabeth S.C. |
| Prev Season: | 1969 |
| Next Season: | 1971 |
The 1970 National Challenge Cup was the 57th awarding of the United States Soccer Football Association's annual open soccer championship prize. Teams from the North American Soccer League declined to participate. The Elizabeth S.C. defeated the Los Angeles Croatia in the final game.