1927 Országos Bajnokság I (men's water polo)

1927 Országos Bajnokság I (men's water polo) was the 21st water polo championship in Hungary. There were seven teams who played one-round match for the title.

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

2. Class
1. OTE 8, 2. BSZKRT SE 4, 3. BEAC 4 pont, Postás and VAC cancelled their participation.

Countryside
1. MOVE Eger SE, 2. Szegedi UE, 3. Pannonia UE Sopron, 4. Tatatóvárosi AC.