The Serie A1 di pallanuoto maschile is the premier division of the Italian water polo male national championship. First held in 1912, it is currently contested by fourteen teams. Pro Recco is Serie A1's most successful club with 37 titles since 1959, followed by CN Posillipo with eleven.
The following 14 clubs compete in the Serie A1 during the 2022âÂÂ23 season:
The teams in Bold play in the 2023-24 season of Serie A1. <br> The teams in Italics no longer exist.
The following table lists the Italian water polo champions by regions of Italy.