1917 Országos Bajnokság I (men's water polo) was the 11th water polo championship in Hungary. There were two teams who played one match for the title.
| Team | M | W | D | L | G+ | G− | P | |
|---|---|---|---|---|---|---|---|---|
| 1. | MAFC | 1 | 1 | 0 | 0 | 12 | 1 | 2 |
| 2. | MTK | 1 | 0 | 0 | 1 | 1 | 12 | 0 |
* M: Matches W: Win D: Drawn L: Lost G+: Goals earned G−: Goals got P: Point