The 2009–10 ACB season was the 27th season of the Liga ACB. The regular season began on Saturday, October 10, 2009, and ended on Sunday, May 16, 2010.

Team Standings

Italics indicate holder of a Euroleague "A License", giving the team automatic access to the 2010–11 Euroleague Regular Season regardless of league placement. Final standings: {| class="wikitable" style="text-align: center;" ! # !! Teams !! GP !! W !! L !! PF !! PA

Playoffs

Stats Leaders

Points

Rebounds

Assists

Awards

Regular season MVP

All-ACB team

Best Coach

Best Defensive Player

ACB Rising Star Award

MVP Week by Week

{| class="wikitable sortable" style="text-align: center;" ! align="center"|Date ! align="center"|Player ! align="center"|Team ! align="center"|Efficiency

Player of the month

{| class="wikitable sortable" style="text-align: center;" ! align="center"|Month ! align="center"|Week ! align="center"|Player ! align="center"|Team ! align="center"|Efficiency !