| Emperor's Cup | |
| Year: | 1939 |
| Country: | Japan |
| Winners: | Keio BRB |
| Second: | Waseda University |
| Semifinal1: | Bosung College |
| Semifinal2: | Imperial University of Kyoto |
| Prev Season: | 1938 |
| Next Season: | 1940 |
Statistics of Emperor's Cup in the 1939 season.
It was contested by 8 teams, and Keio BRB won the championship.
Keio BRB won the championship.