Description Available in: Mens Sana 1871 Basket is an Italian professional basketball club based in Siena. It is a section of the sports club Polisportiva Mens Sana, founded in 1871.
Under the name Montepaschi Siena, derived from sponsor Banca Monte dei Paschi di Siena, the club was a dominant presence in the Italian Serie A, winning five titles in a row from 2006–07 to 2010–11, besides two more titles later revoked by the Italian Federation, whilst also challenging for titles in Europe. After financial problems caused the club to go bankrupt in 2014, it moved down to the fourth division. In the 2015–16 season it played in the second division.
For past club sponsorship names, see the list below.