2013–14 Országos Bajnokság I (men's water polo)

The 2013–14 Országos Bajnokság I is the 108th 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 2013–14 season:

Standings
Pld - Played; W - Won; L - Lost; PF - Points for; PA - Points 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.

3rd leg
Szolnoki Dózsa-KÖZGÉP won series 3–0 and advanced to Final.

ZF-Eger won series 3–0 and advanced to Final.

4th leg
ZF-Eger won Championship final series 3–1.

Third Place
Diapolo Szeged won series 2–1 and won the Third Place

2nd leg
LACTIV-VasasPlaket won series 2–0 and advanced to Fifth placement matches.

3rd leg
Debrecen won series 2–1 and advanced to Fifth placement matches.

5th Place
LACTIV-VasasPlaket won series 2–1 and won 5th Place.

7th Place
BVSC-Zugló won series 2–1 and won 7th Place.

2nd leg
KSI SE won series 2–0 and advanced to Placement Semifinal matches.

OSC-Újbuda won series 2–0 and advanced to Placement Semifinal matches.

2nd leg
Széchenyi Bank-FTC won series 2–0 and advanced to Ninth placement matches.

PVSK-Füszért won series 2–0 and advanced to Ninth placement matches.

9th Place
Széchenyi Bank-FTC won series 2–1 and won 9th Place.

11th Place
OSC-Újbuda won series 2–1 and won 11th Place.

13th Place
Valdor Szentes won series 2–0 and won 13th Place.

Top goalscorers
Sources: official website

Top assists
Sources: official website

Play-off
The overall winner will play in 2014–15 OB I and the loser one in OB I/B.

Valdor Szentes won series 2–0 and will play in 2014–15 OB I.