Van der Walt is an Afrikaans surname. Notable people with the surname include:
Dawie van der Walt (born 1983), South African golfer Deon van der Walt (1958–2005), South African opera singer Eduan van der Walt (born 1987), South African rugby union player Jaco van der Walt (born 1994), South African rugby union player Lucien van der Walt (born 1972), South African sociologist, labour educator Nardus van der Walt (born 1992), South African rugby union player Piet van der Walt (born 1966), Namibian businessman and politician Philip van der Walt (born 1989), South African rugby union player Tjaart van der Walt (born 1974), South African golfer Wimpie van der Walt (born 1989), South African rugby union player Dirk van der Walt (born 2010), South African rugby player