| Season: | 2022–23 |
| E.ON Férfi OB I Bajnokság1 | |
| Extra Information: | 1 Sponsored league name, referring to E.ON. |
| T Bg: |
|
| Champions: | FTC Telekom (25th title) |
| Runners Up: | Genesys OSC-Újbuda |
| Third Place: | Endo Plus Service-Honvéd |
| Fourth Place: | A-Híd VasasPlaket |
| Top Seed: | FTC Telekom |
| Promoted: | KSI |
| Teams: | 14 |
| Duration: | – (Regular season) |
| Tv: | M4 Sport |
| Mvp Link: | BLS First League MVP |
| Finals Mvp Link: | BLS Playoff MVP |
| Nextseason: | 2023–24 |
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.[1]
FTC-Telekom won their twenty-fifth title.[2]
The following 14 clubs compete in the OB I during the 2022–23 season:
| Team | Home city | Pool | Colours | data-sort-type="number" | 2021–22 |
|---|---|---|---|---|---|
| BVSC | Budapest (XIV. ker) | Szőnyi úti Uszoda | 6th | ||
| Eger | Eger | Bitskey Aladár Uszoda | 10th | ||
| Ferencváros | Budapest (IX. ker) | FTC uszoda, Népliget Komjádi Béla Sportuszoda | |||
| Honvéd | Budapest (XIX. ker) | Kőér utcai Uszoda | 5th | ||
| Kaposvár | Kaposvár | Csík Ferenc Sportuszoda | 9th | ||
| KSI | Budapest | Komjádi Béla Sportuszoda | 1st | ||
| Miskolc | Miskolc | Kemény Dénes Sportuszoda | 11th | ||
| OSC | Budapest (XI. ker) | Nyéki Imre Uszoda | |||
| PVSK | Pécs | Abay Nemes Oszkár Sportuszoda | 8th | ||
| Szeged | Szeged | Tiszavirág Sportuszoda | 7th | ||
| Szentes | Szentes | Dr. Rébeli Szabó József Sportuszoda | 13th | ||
| Szolnok | Szolnok | Vízilabda Aréna | 4th | ||
| UVSE | Budapest | Komjádi Béla Sportuszoda | 12th | ||
| Vasas | Budapest (XIII. ker) | Komjádi Béla Sportuszoda |
| width=10px bgcolor=#CCFFCC | Qualified for the 2023–24 LEN Champions League | ||
| width=10px bgcolor=#BBEBFF | Qualified for the 2023–24 LEN Euro Cup | ||
| width=10px bgcolor=#FFCCCC | Relegated to Országos Bajnokság I/B |
| width=40 | width=290 | Team | |
|---|---|---|---|
| align=left bgcolor=#CCFFCC | FTC Telekom (C) | ||
| align=left bgcolor=#CCFFCC | Genesys OSC-Újbuda | ||
| align=left bgcolor=#CCFFCC | Endo Plus Service-Honvéd | ||
| 4 | align=left bgcolor=#BBEBFF | A-Híd VasasPlaket | |
| 5 | align=left bgcolor=#BBEBFF | BVSC-Zugló | |
| 6 | align=left bgcolor=#BBEBFF | Szolnoki Dózsa | |
| 7 | Tigra-ZF-Eger | ||
| 8 | PannErgy-MVLC Miskolc | ||
| 9 | Szegedi VE | ||
| 10 | UVSE | ||
| 11 | PVSK-Mecsek Füszért | ||
| 12 | Kaposvári VK | ||
| 13 | Metalcom Szentes | ||
| 14 |
| Roster | |
| Luca Damonte, Szabolcs Dubinák, Gergő Fekete, Lőrinc Gábor, Sándor Gál, Szilárd Jansik, Gergely Klár, Daniil Merkulov, Erik Molnár, Toni Német, Balázs Nyíri, Zoltán Pohl, Márk Spitz, Dániel Szakonyi, Nemanja Ubović, Dénes Varga (c), Vincze Varga, Márton Vámos, Vendel Vigvári | |
| Head coach | |
| Zsolt Varga |