2009–10 Lega Basket Serie A

Lega Basket Serie A
Season2009–10
Duration11 October 2009 – 19 June 2010
Teams16
Regular season
Top seedMontepaschi Siena
Season MVP Romain Sato
RelegatedB.C. Ferrara
NSB Napoli
Finals
ChampionsMontepaschi Siena
5th title
Runners-upArmani Jeans Milano
SemifinalistsNGC Medical Cantù
Pepsi Caserta
Finals MVP Terrell McIntyre

The 2006–07 Lega Basket Serie A season, known as the Serie A TIM for sponsorship reasons, was the 88th season of the Lega Basket Serie A, the highest professional basketball league in Italy.

The regular season ran from 11 October 2009 to May 2010. The top 8 teams made the play-offs whilst the lowest ranked teams, B.C. Ferrara and the bankrupt club NSB Napoli, were relegated to the Legadue.

Montepaschi Siena won their 5th title by winning the playoff finals series against Armani Jeans Milano.