Christiaan Rudolph Liebenberg (born 18 December 1981) is a South African professional rugby union player who played as a hooker.
He started his career at the Sharks in 2002 before joining Griquas the following year.
He made 64 appearances for the Kimberley-based side between 2003 and 2006 and also played Super Rugby for the Cheetahs in 2006.
He made his international debut for South Africa on 1 December 2007 against the Barbarians in London, aged 25.
He made a total of five test appearances for South Africa, plus the one tour match against the Barbarians.