| Dean Hopp | |
| Fullname: | Dean Lionel John Hopp |
| Birth Date: | 7 September 1982 |
| Birth Place: | Heidelberg, South Africa |
| School: | Kairos Secondary School |
| University: | University of Port Elizabeth |
| Position: | Prop |
| Years1: | 2002–2003 & 2011–2016 |
| Apps1: | 66 |
| Points1: | 25 |
| Years2: | 2005 |
| Apps2: | 19 |
| Points2: | 5 |
| Years3: | 2006–2008 |
| Apps3: | 21 |
| Points3: | 15 |
| Repyears1: | 2002 |
| Repteam1: | South Africa Under-21 |
| Repcaps1: | 2 |
| Reppoints1: | 0 |
| Repyears2: | 2012 |
| Repteam2: | South African Barbarians (South) |
| Repcaps2: | 1 |
| Reppoints2: | 0 |
| Amatyears1: | 2015–present |
| Amatteam1: | Evergreens |
| Amatapps1: | 4 |
| Amatpoints1: | 0 |
| Clubupdate: | 9 October 2016 |
| Repupdate: | 29 July 2013 |
Dean Lionel John Hopp (born 7 September 1982 in Heidelberg) is a South African rugby union player, who most recently played with the . His regular position is prop.
He made his first class debut for the in 2002 and played for them in the 2002 and 2003 seasons. In 2005, he joined Port Elizabeth-based side the for the 2005 Vodacom Cup and 2005 Currie Cup competitions. He moved to Kimberley to join in 2006. He stayed there for three seasons and made 21 appearances. Prior to the 2011 Vodacom Cup, he returned to the .
He played for the victorious South African Under–21 team at the 2002 Under-21 Rugby World Cup. In 2012, he was selected in a South African Barbarians (South) team that played against England during their tour of South Africa.