 Official logo | |
| Sport | Water polo |
|---|---|
| Founded | 2008 |
| No. of teams | 12 |
| Country |  Croatia Montenegro Serbia Slovenia Italy (former) |
| Continent | LEN (Europe) |
| Most recent champion(s) | Novi Beograd (2nd title) (2023–24) |
| Most titles | Jug (5 titles) |
| TV partner(s) | Arena Sport |
| Level on pyramid | 1 |
| Domestic cup(s) | No |
| Official website | rwp-league |
The Regional Water Polo League (abbr. RWP), commonly known as the Regional League or Adriatic League, is a regional water polo league in Southeast Europe. Originally, the league featured clubs from Croatia, Montenegro, and Slovenia. In later years, clubs from Serbia joined the league and in one season club from Italy participated in the league.