Mas Hafizulhelmi Rahman (Jawi: مس حفيظالحلمي رحمن; born 1 January 1981) or Hafizulhelmi Mas is a Malaysian chess International Master (IM) and a two-time Malaysian Chess Champion.

He is the second Malaysian to receive the title of IM after chess veteran Jimmy Liew.

[1] Born and raised in Kelantan, Hafizulhelmi started playing chess at the early age of 4 where he was first introduced to the game by his father.

His first recorded tournament was the Kelantan Closed (Open Category) in 1987 where he scored 1.5/7 at the age of 6.

[7] His last notable game was a draw against an 11-year-old Gukesh Domamaraju in 2017, who is currently the reigning World Chess Champion.