The Kingdom of Yugoslavia Water Polo Championship was the highest domestic water polo event in the Kingdom of Serbs, Croats and Slovenes and later the Kingdom of Yugoslavia. It existed from 1921 to 1940.
| Season | Champion |
|---|---|
| 1921 | Sombor |
| 1922 | Sombor |
| 1923 | Baluni Split |
| 1924 | Sombor |
| 1925 | VK Jug |
| 1926 | VK Jug |
| 1927 | VK Jug |
| 1928 | VK Jug |
| 1929 | VK Jug |
| 1930 | VK Jug |
| 1931 | VK Jug |
| 1932 | VK Jug |
| 1933 | VK Jug |
| 1934 | VK Jug |
| 1935 | VK Jug |
| 1936 | VK Jug |
| 1937 | VK Jug |
| 1938 | Viktorija Sušak |
| 1939 | Jadran Split |
| 1940 | VK Jug |
The Kingdom of Yugoslavia ceased to exist after this point. After the Second World War, a new league was formed in the Federal People's Republic of Yugoslavia (later the Socialist Federal Republic of Yugoslavia).
| Club | Championship | Current Nation |
|---|---|---|
| VK Jug | 14 | Croatia |
| Sombor | 3 | Serbia |
| Baluni/Jadran Split | 2 | Croatia |
| Viktorija Sušak | 1 | Croatia |