TOT Sport Club (Thai: ทีโอที สปอร์ต คลับ) is a Thai defunct football club based in Lak Si district in northern Bangkok which represents the national telecommunications company, TOT Public Company Limited.

TOT originally stands for the Telephone Organization of Thailand, the former name of the company at the time before their privatization.

[1] TOT SC is a founding member of the Thai Premier League in 1996/97 season and came second in the regular-season championship but was defeated by Bangkok Bank F.C.

They have been relegated on two occasions, bouncing back to the top flight at the first time of asking and claiming the Division One championship in the 2003/04 season.

[4] Notable other achievements have been winning the Thai FA Cup in 1993 and the now-defunct Pro League in 2006 with their reserve team.

The accomplishment in the early days of the club is honorably credited to the first well-known coach Pongphan Wongsuwan.

In 2011 The Football Association of Thailand (FAT) and Thai Premier League (TPL) were called to settle a dispute between original owners TOT and the newly formed TOT-CAT FC.