The Thailand Basketball League (TBL) (Thai: ไทยแลนด์บาสเกตบอลลีก) is a man's professional basketball league in Thailand. The lower competitions are the TBL Division 2 and Division 3. The league has a similar organization and structure as the NBA.

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Hi-Tech Bangkok City is the most decorated team in league history, with four national titles.

The Thailand Basketball League was started in 2012 by the Basketball Sport Association of Thailand to develop basketball players in Thailand.^[1] Teams are composed of both Thai and foreign players. In 2012 and 2013 teams were allowed to use 2 foreigner players on the court at the same time, but, in 2014, teams can have only 1 foreign player on the court at a time. The champions are awarded ฿3,000,000.

• Bangkok Tigers
• Chiang Mai Eagles
• Chao Phraya Thunders
• Ban Bueng Devil Rays
• MFT Khon Kaen Kings
• Pathum Thani Pythons
• Phuket Waves
• Suphanburi Snipers
• SWU
• T-Rex Nakhon Ratchasima
• Warriors Thailand

• Nakhon Pathom Mad Goats
• Black Scorpions
• Dunkin' Raptors
• Hi-Tech Bangkok City
• OSK R. Airline
• PEA
• Mekong Raptors
• Mekong United BC
• Mono Vampire
• Shoot-It Dragons
• TGE (Thai General Equipment)

Regular season typically starts in August. After the regular season, the league proceeds to the playoffs round, where the top 4 teams of the regular season match up for two games. The winners play in the final to determine the league champion.

Every team is required to send 1 player to the All-Star Team for the All-Star Game held in the middle of the season.

The league uses FIBA rules. Teams can have up to 2 foreign players in the roster, but teams can only use one foreign player on the court. Teams can also have as many as five players from the national team but can only use three players on the court.

Thailand Basketball League is broadcast nationwide regular season by Mono Plus and playoffs and finals by MONO29.

• FIBA Asia Champions Cup
• ASEAN Basketball League