Amirul Hamizan bin Ibrahim (born 3 December 1981) is a Malaysian weightlifter.

He won three gold medals in the 56-kilogram category at the 2002 Commonwealth Games in Manchester.

[1] He competed in Weightlifting at the 2008 Summer Olympics in the 56 kg division finishing eighth, with a new personal best of 265 kg.

In June 2005, Amirul Hamizan Ibrahim tested positive for banned substance namely steroids in an out-of-competition test conducted by the National Sports Council of Malaysia and faced a ban of two years.

This biographical article relating to weightlifting in Malaysia is a stub.