(Catalan pronunciation: [ˈklub ʒuβənˈtud bəðəˈlonə]) is a Spanish professional basketball club based in Badalona, Catalonia, Spain, playing in the Liga ACB and the EuroCup.

Known to their fans as La Penya (in English, The Club), it is one of only two teams that have never been relegated from the top division of the Spanish League.

In 1994, Joventut Badalona became champion of the FIBA European League (today known as the EuroLeague), the first Catalan basketball club to accomplish such a grandiose achievement and the first Spanish team to do so in the modern era Final Four format.

Well-known players have included the Margall brothers (with Josep Maria Margall), Zoran Slavnić, Jordi Villacampa, Rafael Jofresa, Corny Thompson, Mike Smith, Reggie Johnson, Harold Pressley, Tanoka Beard, Andre Turner, Raül López, Rudy Fernández, Ricky Rubio, Pau Ribas, Demond Mallet, Nicolás Laprovittola, Joel Parra, Andrés Feliz and Ante Tomic.

However, in 1994, Joventut won the title after winning the Final Four played in Tel Aviv against Olympiacos with Zeljko Obradovic as coach.

After two years of decline, Joventut clinched their seventh national cup and in the 2000s, started a new golden era with players like Rudy Fernández, and Ricky Rubio developed in the youth teams of the club.

Joventut Badalona has also a wheelchair basketball team which currently plays in the División de Honor, the Spanish top league.