David Porzig (born 11 April 1974, in Cape Town) is a South African-born, former Australian representative former rower.

Porizg first made state selection for Western Australia in the 1993 West Australian senior eight contesting the King's Cup at the Interstate Regatta.

Porzig then finished his 1997 debut international season in the four seat of the eight when they competed at the 1997 World Rowing Championships in Aiguebelette and won a bronze medal.

He was in a North Cottesloe Beach SLSC boat with Jonathan Fievez (another international representative stillwater rower) which won the open men's surfboat category at the World Surflifesaving Championships in Victoria in 2006.

[7] He contested and won the open men's surfboat category at the Australian national titles racing for North Cottesloe Beach SLSC in the consecutive years of 2006, 2007, 2008 and 2009.