Matheus Christiaan van Zyl, known as Ian van Zyl (born April 6, 1980 in Grootfontein, Otjozondjupa Region) , is a Namibian cricketer.
He made his first-class debut for the Namibian team against Uganda in the 2005 ICC Intercontinental Cup.
In the same competition the following year, he took 8-34 against Ireland, albeit in a losing cause.
van Zyl also appeared in the 2005 ICC Trophy.
This biographical article related to Namibian cricket is a stub.