1942 Országos Bajnokság I (men's water polo) was the 36th water polo championship in Hungary. There were ten teams who played one-round match for the title.
| Team | M | W | D | L | G+ | G− | P | Comments | |
|---|---|---|---|---|---|---|---|---|---|
| 1. | Újpesti TE | 8 | 8 | 0 | 0 | 51 | 5 | 16 | |
| 2. | BSE | 8 | 7 | 0 | 1 | 43 | 11 | 14 | |
| 3. | MAC | 8 | 6 | 0 | 2 | 37 | 7 | 12 | |
| 4. | Ferencvárosi TC | 8 | 5 | 0 | 3 | 43 | 22 | 10 | |
| 5. | Tatabányai SC | 8 | 4 | 0 | 4 | 29 | 33 | 8 | |
| 6. | BEAC | 8 | 3 | 0 | 5 | 16 | 27 | 6 | |
| 7. | MUE | 8 | 1 | 0 | 7 | 12 | 34 | 2 | |
| 8. | Árpád MOVE Óbudai TE | 8 | 0 | 1 | 7 | 7 | 56 | 1 | |
| 9. | Erzsébeti TC | 8 | 1 | 1 | 6 | 6 | 49 | 1 | deducted 2 points |
| 10. | Nemzeti SC | - | - | - | - | - | - | - | deleted |
* M: Matches W: Win D: Drawn L: Lost G+: Goals earned G−: Goals got P: Point