Alex Lim Keng Liat (born 29 August 1980) is a retired Malaysian swimmer.

[1][2] Lim attended The Bolles School in Jacksonville for his prep tenure and had unparalleled success.

He was the only Malaysian swimmer to date who clinched a swimming medal in Commonwealth Games.

At the 2002 Commonwealth Games, he won the silver medal in 50m backstroke where his time was just 0.02 seconds behind the former Australian world champion, Matt Welsh.

He was also the first and only Malaysian to enter the final in the 100m backstroke at the FINA World Swimming Championships Barcelona, Spain.