Johannes Lodewikus 'Wikus' van Heerden (born 25 February 1979 in Johannesburg) is a South African former rugby union player who played as a flanker.

[2] Van Heerden made his debut for the Springboks on 7 June 2003 as flanker against Scotland at Kings Park in Durban.

He played at flanker for the second Test against the Scottish a week later at Ellis Park, which South Africa also won, 28 to 19.

He also played against the All Blacks at Loftus Versfeld, and was a reserve in another match against Australia at Suncorp Stadium, both of which the Springboks lost.

On 16 May 2008 it was confirmed that he would join Guinness Premiership side Saracens in November 2008 following his Currie Cup commitments with the Bulls.