2014–15 Országos Bajnokság I (men's water polo)

The 2014–15 Országos Bajnokság I (known as the E.ON férfi OB I for sponsorship reasons) is the 109th season of the Országos Bajnokság I, Hungary's premier Water polo league.

Team information
The following 14 clubs compete in the OB I during the 2014–15 season:

Standings
Pld - Played; W - Won; D - Drawn; L - Lost; GF - Goals for; GA - Goals against; Diff - Difference; Pts - Points.

Championship playoff
Teams in bold won the playoff series. Numbers to the left of each team indicate the team's original playoff seeding. Numbers to the right indicate the score of each playoff game.

2nd leg
Ferencvárosi TC won series 2–0 and advanced to Semifinals.

3rd leg
ZF-Eger won series 2–1 and advanced to Semifinals.

2nd leg
A-HÍD OSC Újbuda won series 2–0 and advanced to the Final.

Szolnoki Dózsa-KÖZGÉP won series 2–0 and advanced to the Final.

Final

 * 1st leg


 * 2nd leg


 * 3rd leg

Szolnoki Dózsa-KÖZGÉP won Championship final series 3–0.

7th – 10th placement
Teams in bold won the playoff series. Numbers to the left of each team indicate the team's original playoff seeding. Numbers to the right indicate the score of each playoff game.

Relegation playout
Teams in bold won the playoff series. Numbers to the left of each team indicate the team's original playoff seeding. Numbers to the right indicate the score of each playoff game.

Top goalscorers

 * Updated to games played on 19 May 2015.

Top assists

 * Updated to games played on 19 May 2015.

MVP

 * Updated to games played on 4 April 2015.