| Peet Marais | |
| Fullname: | Peet Celliers Marais |
| Birth Date: | 31 October 1990 |
| Birth Place: | Welkom, South Africa |
| Weight: | 1140NaN0 |
| School: | Welkom Gimnasium |
| Relatives: | Jandré Marais (brother) |
| Position: | Lock |
| Currentclub: | Brive |
| Youthyears1: | 2007–2008 |
| Youthyears2: | 2009–2011 |
| Years1: | 2011–2014 |
| Apps1: | 49 |
| Points1: | 5 |
| Years2: | 2014–present |
| Clubs2: | Brive |
| Apps2: | 43 |
| Points2: | 5 |
| Repyears1: | 2008 |
| Repteam1: | South Africa Under-18 Elite Squad |
| Repyears2: | 2010 |
| Repteam2: | South Africa Under-20 |
| Clubupdate: | 12 May 2014 |
| Repupdate: | 12 May 2014 |
Peet Celliers Marais is a South African rugby union footballer. His playing position is lock.
After playing for local Welkom-based side at various youth level, he joined Durban-based side at the start of 2009. He made his first class debut during the 2011 Vodacom Cup competition against the and made 49 appearances for them over the next four seasons.
He was included in the ' Super Rugby squad in 2013 and 2014, but failed to make a single Super Rugby appearance.
In May 2014, French media outlets reported that he signed a two-year deal with French side CA Brive for the 2014–2015 season.[1] [2] This was confirmed by the club on 2 July 2014.[3]
He is the brother of former player Jandré Marais.