2022–23 Országos Bajnokság I (men's water polo)
| E.ON Férfi OB I Bajnokság1 | |
|---|---|
| Season | 2022–23 |
| Duration | October 8, 2022 – March 26, 2022 (Regular season) |
| Teams | 14 |
| TV partner(s) | M4 Sport |
| Regular season | |
| Top seed | FTC Telekom |
| Promoted | KSI |
| Finals | |
| Champions | FTC Telekom (25th title) |
| Runners-up | Genesys OSC-Újbuda |
| Third place | Endo Plus Service-Honvéd |
| Fourth place | A-Híd VasasPlaket |
← 2021–22 2023–24 →
1 Sponsored league name, referring to E.ON. | |
The 2022–23 Országos Bajnokság I (also known as the E.ON Férfi OB I Bajnokság for sponsorship reasons, OB I in short), is going to be the 117th season of top-tier water polo in Hungary. A total of fourteen teams contest this season's league, which began on 8 October 2022 and will conclude on 18 May 2023.
FTC-Telekom won their twenty-fifth title.