| National Challenge Cup | |
| Year: | 1973 |
| Winners: | Maccabee AC |
| Second: | Inter-Italian |
| Continental Cup Title: | 1974 CONCACAF Champions' Cup |
| Continental Cup Qualifiers: | Maccabee AC |
| Prev Season: | 1972 |
| Next Season: | 1974 |
The 1973 National Challenge Cup was the 60th annual national open soccer championship held by the United States Soccer Football Association now known as the Lamar Hunt U.S. Open Cup.