| Ross Cronjé | |
| Birth Date: | 26 July 1989 |
| Birth Place: | Johannesburg, South Africa |
| Weight: | 880NaN0 |
| School: | Michaelhouse |
| University: | University of South Africa |
| Relatives: | Guy Cronjé (twin brother) |
| Position: | Scrum-half |
| Currentclub: | / |
| Years1: | 2009–2011 |
| Apps1: | 22 |
| Points1: | 49 |
| Years2: | 2009 |
| Apps2: | 1 |
| Points2: | 0 |
| Years3: | 2009–2011 |
| Apps3: | 14 |
| Points3: | 0 |
| Years4: | 2012–2018 |
| Apps4: | 10 |
| Points4: | 6 |
| Years5: | 2012–2021 |
| Apps5: | 91 |
| Points5: | 35 |
| Years6: | 2012–2021 |
| Apps6: | 65 |
| Points6: | 25 |
| Repyears1: | 2009 |
| Repteam1: | South Africa Under-20 |
| Repcaps1: | 5 |
| Reppoints1: | 5 |
| Repyears2: | 2017–2018 |
| Repteam2: | South Africa |
| Repcaps2: | 10 |
| Reppoints2: | 10 |
| Clubupdate: | 13 January 2022 |
| Repupdate: | 17 April 2018 |
Ross Cronjé (born 26 July 1989) is a South African Rugby player. He played at scrum-half for the in Super Rugby, the in the Currie Cup and the in the Rugby Challenge. He previously played for the .[1]
He is the twin brother of former Zimbabwean international Guy Cronjé.