Tengku Qayyum Ubaidillah Bin Tengku Ahmad (born 5 March 1986) is a Malaysian footballer who plays as a left back for KSR SAINS.
Born and raised in Seremban, in the state of Negeri Sembilan, Qayyum began his professional career with Negeri Sembilan youth team.
Qayyum was a member of the Malaysia U20 at the 2004 AFC Youth Championship.
On 18 December 2014, it was announced that Qayyum signed a contract and will represent the club for 2015 season.
[5] On 6 December 2017, Qayyum signed a one-year contract with Kelantan.