| Piet du Plessis | |
| Birth Name: | Pieter George du Plessis |
| Birth Place: | Nylstroom, Limpopo, South Africa |
| Birth Date: | 23 July 1947 |
| Height: | 1.98m |
| Weight: | 108kg |
| Ru Position: | Lock |
| Amatteam1: | Tukkies |
| Amatteam2: | Maties |
| Ru Provinceyears1: | 19?–1972 |
| Ru Provinceyears2: | 1973–1978 |
| Ru Nationalteam1: | South Africa |
| Repyears1: | 1972 |
| Repcaps1: | 1 |
| School: | Hoërskool Wonderboom, Pretoria |
| University: | University of Pretoria Stellenbosch University |
Pieter George du Plessis (born 23 July 1947) is a former South African rugby union player.[1]
Du Plessis studied at the University of Pretoria and Stellenbosch University and became a Professor of Business Management. He played provincial rugby for and .[2]
Du Plessis played one test for the Springboks, the 1972 test match against the touring England team at Ellis Park in Johannesburg.[3]