| Dewald Pretorius | |
| Fullname: | Dawid Petrus Pretorius |
| Birth Date: | 25 November 1986 |
| Birth Place: | Welkom, South Africa |
| Weight: | 1110NaN0 |
| School: | Stilfontein High School, Stilfontein |
| Position: | Centre / Winger |
| Youthyears1: | 2006–2007 |
| Years1: | 2007 |
| Apps1: | 3 |
| Points1: | 10 |
| Years2: | 2008 |
| Apps2: | 14 |
| Points2: | 20 |
| Years3: | 2009–2010 |
| Apps3: | 20 |
| Points3: | 50 |
| Years4: | 2011–2014 |
| Apps4: | 40 |
| Points4: | 45 |
| Years5: | 2014 |
| Apps5: | 5 |
| Points5: | 0 |
| Years6: | 2015 |
| Apps6: | 1 |
| Points6: | 0 |
| Years7: | 2015 |
| Apps7: | 5 |
| Points7: | 0 |
| Clubupdate: | 30 July 2015 |
Dawid Petrus 'Dewald' Pretorius (born 29 November 1986) is a South African rugby union footballer. He plays mostly as a centre or wing. He most recently represented the in the Currie Cup, having previously played for the,, and .
He was a member of the Pumas side that won the Vodacom Cup for the first time in 2015, beating 24–7 in the final. Pretorius made a single appearance during the season.