S.S.P. Reyer Venezia Mestre, commonly known as Reyer Venezia or simply Reyer, is an Italian professional basketball club that is based in Venice, Veneto. The club currently plays in the Lega Basket Serie A (LBA), the highest tier of basketball in Italy, as well as the EuroCup. Reyer operates both men's and women's professional teams, both playing in their respective first divisions as of the 2017–18 season. The men's team has been crowned the Italian champions four times, as they won the LBA in 1942, 1943, 2017 and 2019.

The Lega Basket Serie A (LBA) is a professional men's club basketball league that has been organised in Italy since 1920. Serie A is organised by Lega Basket, which is regulated by the Italian Basketball Federation (FIP). It is the highest-tier level of the Italian league system. The LBA plays under FIBA rules and currently consists of 16 teams, with the lowest-placed team relegated to the Serie A2 and replaced by the winner of the play-offs of that tier.