1930 Országos Bajnokság I (men's water polo) was the 24th water polo championship in Hungary. There were nine teams who played one-round match for the title.
| Team | M | W | D | L | G+ | G− | P | |
|---|---|---|---|---|---|---|---|---|
| 1. | Újpesti TE | 8 | 7 | 0 | 1 | 65 | 15 | 14 |
| 2. | MAC | 8 | 7 | 0 | 1 | 42 | 11 | 14 |
| 3. | III. ker. TVE | 8 | 5 | 1 | 2 | 42 | 14 | 11 |
| 4. | MTK | 8 | 5 | 1 | 2 | 34 | 15 | 11 |
| 5. | MOVE Eger SE | 8 | 5 | 0 | 3 | 36 | 18 | 10 |
| 6. | Szegedi UE | 8 | 3 | 0 | 5 | 22 | 35 | 6 |
| 7. | Ferencvárosi TC | 8 | 1 | 1 | 6 | 7 | 39 | 3 |
| 8. | BSZKRT SE | 8 | 1 | 0 | 7 | 6 | 50 | 2 |
| 9. | MUE | 8 | 0 | 1 | 7 | 10 | 67 | 1 |
* M: Matches W: Win D: Drawn L: Lost G+: Goals earned G−: Goals got P: Point
Eastern Division: 1. NSC 10, 2. Orosházi TK 8, 3. Egri TE 6, 4. Debreceni EAC 4, 5. Postás SE 2, 6. Debreceni UE 0 points.
Western Division: 1. Pécsi AC 7, 2. Tatabányai SC 6, 3. MAFC 5, 4. Kaposvári Turul 2, 5. Pannonia UE Sopron 0 points.
Final: NSC-PAC 6:5