Muhammad Khairulhin bin Mohd Khalid (born 18 July 1991) is a Singaporean footballer who plays as a goalkeeper for Hougang United in the S.League.

[3] In December 2011, the Football Association of Singapore announced that Khairulhin will join the newly formed LionsXII in the 2012 Malaysia Super League.

[3] He, however, failed to make a single appearance with first-choice Izwan Mahbud and back-up goalkeeper Hyrulnizam Juma'at ahead of him.

[3] Following the exit of the LionsXII from the Malaysia Super League, Khairulhin signed for Hougang United for the 2016 S.League season following the advice of former head coach and Singapore legend Fandi Ahmad.

[8] Khairulhin was part of the Singapore national under-23 football team that won the bronze medal at the 2013 Southeast Asian Games.