1929 Országos Bajnokság I (men's water polo) was the 23rd water polo championship in Hungary. There were nine teams who played one round match for the title. It was the first time when teams from outside Budapest also participated in the championship. From this season it is called National Championship.

Final list #TeamMWDLG+G−P1.MAC8611297132.Újpesti TE85305313133.III. ker. TVE85213610124.MTK84313513115.MOVE Eger SE85122315116.Szegedi UE8305153667.Ferencvárosi TC8206202948.BSZKRT SE8107114329.Nemzeti SC80083590

* M: Matches W: Win D: Drawn L: Lost G+: Goals earned G−: Goals got P: Point

OB I 1929Champions Magyar AC1st Title

2. Class

1. MUE 8, 2. Tatabányai SC 6, 3. Orosházi TK 4, 4. BSE 0(2), 5. Tatatóvárosi AC 0 pont. Penalty points are in brackets.

Sources Gyarmati Dezső: Aranykor (Hérodotosz Könyvkiadó és Értékesítő Bt., Budapest, 2002.) Sport-évkönyv 1929