| Competition: | OB I |
| Season: | 1963 |
| Winners: | Ferencváros |
| Prevseason: | 1962 |
| Nextseason: | 1964 |
1963 Országos Bajnokság I (men's water polo) was the 57th water polo championship in Hungary. There were ten teams who played two-round match for the title.
| Team | M | W | D | L | G+ | G− | Pts | Notes | ||
|---|---|---|---|---|---|---|---|---|---|---|
| 1. | Ferencvárosi TC | 18 | 14 | 3 | 1 | 72 | 41 | 31 | Champion | |
| 2. | Szolnoki Dózsa | 18 | 12 | 3 | 3 | 78 | 52 | 27 | ||
| 3. | Újpesti Dózsa | 18 | 10 | 3 | 5 | 63 | 44 | 23 | ||
| 4. | BVSC | 18 | 8 | 4 | 6 | 63 | 49 | 20 | ||
| 5. | Bp. Honvéd | 18 | 8 | 4 | 6 | 65 | 54 | 20 | ||
| 6. | Csepel Autó | 18 | 6 | 4 | 8 | 54 | 60 | 16 | ||
| 7. | 20px Egri Dózsa | 18 | 6 | 3 | 9 | 54 | 72 | 15 | ||
| 8. | Bp. Spartacus | 18 | 5 | 4 | 9 | 50 | 56 | 14 | ||
| 9. | Vasas SC | 18 | 3 | 5 | 10 | 51 | 77 | 11 | ||
| 10. | Vasas Izzó | 18 | 0 | 3 | 15 | 48 | 93 | 3 | Relegated to Országos Bajnokság II |