The 2009–10 PBA season was the 35th season of the Philippine Basketball Association (PBA). The season formally opened on October 11, 2009, and ended on August 18, 2010. The league started the season with the Philippine Cup, or the traditional All-Filipino Conference, while finishing the season with the import-laiden Fiesta Conference. The 2009 PBA Draft was held on August 2, 2009, at the Market! Market!, and Japeth Aguilar was selected first overall by the Air21 Express. The Puerto Princesa City Government hosted the 2010 PBA All-Star Weekend at the Puerto Princesa Coliseum in Palawan on April 25, 2010.

Pre-season events

Player movement

Key transactions: Trades: Signing: Resigning:

Rule changes

The PBA board approved the rule changes for implementation starting in the pre-season games:

Notable occurrences

Opening ceremonies

The season began on October 11 with the Purefoods Tender Juicy Giants defeating the Burger King Whoppers, 90–83. The muses for the participating teams are as follows:

2009–10 Philippine Cup

Notable events

Elimination round

Playoffs

Wildcard phase

1st round

2nd round

Quarterfinals

Semifinals

Third place playoff

Finals

Mid-season break events

Player movement

Key transactions: Trades:

Team re-brandings

Notable occurrences

2010 Fiesta Conference

Notable events

Elimination round

Playoffs

Wildcard phase

1st round

2nd round

Quarterfinals

Semifinals

Third place playoff

Finals

2010 PBA All-Star Weekend

The 2010 PBA All-Star Weekend was held from April 22 to 25 at the Puerto Princesa Coliseum, Puerto Princesa, Palawan. The winners were:

Rookie-Sophomore Blitz Game

All-Star Game

Awards

PBA Annual Awards

Awards given by the PBA Press Corps

Cumulative standings

Elimination rounds

Playoffs