14 teams from Serbia, Croatia, Slovenia, Bosnia and Herzegovina and Montenegro participated in the NLB League: Union Olimpija, Helios, Cibona, Zagreb, Zadar, Split, Bosna, Široki Eronet, Partizan, Crvena zvezda, FMP, Hemofarm, Radnički Kragujevac, Budućnost.

[1] The 2009-10 NLB League Final Four was held on April 23–25, 2010, in Arena Zagreb.

The regular season began on Saturday, October 10, 2009, and ended on Saturday, March 20, 2010.

Pld - Played; W - Won; L - Lost; PF - Points for; PA - Points against; Diff - Difference; Pts - Points.

Source: NLB League