| National Challenge Cup | |
| Year: | 1964 |
| Country: | United States |
| Date: | --> |
| Defending Champions: | Philadelphia Ukrainian Nationals |
| Winners: | Los Angeles Kickers |
| Count: | 2 |
| Second: | Philadelphia Ukrainian Nationals |
| Semifinal1: | --> |
| Semifinal2: | --> |
| Prev Season: | 1963 |
| Next Season: | 1965 |
The 1964 National Challenge Cup was the 51st edition of the United States Soccer Football Association's annual open soccer championship, now called the U.S. Open Cup. The Los Angeles Kickers won their second title by defeating the Philadelphia Ukrainians in a replay at Wrigley Field in Los Angeles.[1] [2] It was a rematch of the 1960 final, which Philadelphia won 5–3.[3]