2010–11 Országos Bajnokság I (men's water polo)
2010–11 Országos Bajnokság I was the 105th water polo championship in Hungary.
First stage
Pld - Played; W - Won; L - Lost; G+ - Points for; G- - Points against; Diff - Difference; P - Points.
Championship Playoff
Pld - Played; W - Won; L - Lost; G+ - Points for; G- - Points against; Diff - Difference; P - Points.
Third place
Final
European competition Playoff
Pld - Played; W - Won; L - Lost; G+ - Points for; G- - Points against; Diff - Difference; P - Points.
Fifth place
Relegation Playoff
Pld - Played; W - Won; L - Lost; G+ - Points for; G- - Points against; Diff - Difference; P - Points.
Final standing
| Rank | Team |
| ZF-Eger | |
| TEVA-Vasas-UNIQA | |
| Szeged-Beton VE | |
| 4 | Grupama Honvéd |
| 5 | Szolnoki Főiskola-Közgép |
| 6 | FTC-Fisher Klíma |
| 7 | PVSK-Fűszért |
| 8 | Debrecen-Fujitsu |
| 9 | BVSC-Atlantis Casino |
| 10 | Orvosegyetem SC |
| 11 | Bodrogi Bau-Szentesi VK |
| 12 | Angyalföldi Sportiskola DSE |
| 13 | Újpesti TE |
| 2010–11 OB I Champions |
| ZF-Eger 1st Title |