The 2017 season marks Bangkok United's 11th appearance in the Thai League T1 and 5th-consecutive season in the top flight of Thai football.

Brazilian Alexandré Pölking was manager for the side in his 4th season in charge.

Bangkok United sent its reserve team to compete in T4 Bangkok Metropolitan Region as Bangkok United B.

The first Thai footballer's market was open between 14 December 2016, and 28 January 2017.

The second Thai footballer's market was open between 3 June 2017, and 30 June 2017.