1975 Országos Bajnokság I (men's water polo) was the 69th water polo championship in Hungary. There were twelve teams who played two-round match for the title.
| Team | M | W | D | L | G+ | G− | P | |
|---|---|---|---|---|---|---|---|---|
| 1. | Vasas SC | 22 | 16 | 5 | 1 | 103 | 74 | 37 |
| 2. | OSC | 22 | 12 | 9 | 1 | 119 | 90 | 33 |
| 3. | Ferencvárosi TC | 22 | 13 | 4 | 5 | 104 | 87 | 30 |
| 4. | Újpesti Dózsa | 22 | 10 | 6 | 6 | 92 | 77 | 26 |
| 5. | BVSC | 22 | 10 | 5 | 7 | 97 | 86 | 25 |
| 6. | Bp. Honvéd | 22 | 9 | 4 | 9 | 100 | 98 | 22 |
| 7. | Bp. Spartacus | 22 | 7 | 8 | 7 | 86 | 88 | 22 |
| 8. | Szentesi Vízmű | 22 | 3 | 10 | 9 | 84 | 94 | 16 |
| 9. | Szegedi EOL SC | 22 | 3 | 9 | 10 | 68 | 89 | 15 |
| 10. | Szolnoki Vízügy-Dózsa | 22 | 3 | 8 | 11 | 99 | 119 | 14 |
| 11. | Egri Dózsa | 22 | 4 | 5 | 13 | 98 | 125 | 13 |
| 12. | Vasas Izzó | 22 | 2 | 7 | 13 | 72 | 95 | 11 |
* M: Matches W: Win D: Drawn L: Lost G+: Goals earned G−: Goals got P: Point