Following its founding, a fierce rivalry developed between Kuala Lumpur and Selangor mainly due to their geographical location.

The battle between these two teams is often referred to as the Klang Valley Derby, which was renewed in the 2010 season after Kuala Lumpur ended a seven-year spell in the second-tier with promotion to the Malaysia Super League.

[9] In March 2021, prior to the 2021 Malaysia Super League season, the team changed its name to Kuala Lumpur City.

[11] In February 2023, Rinani Group Berhad acquired a majority stake in the club.

[12] Note: Flags indicate national team as defined under FIFA eligibility rules; some limited exceptions apply.