| Robert Sierra | |
| Fullname: | Robert David Sierra Perez |
| Birth Date: | 13 November 1996 |
| Birth Place: | Venezuela |
| Currentteam: | Venezuela Pais Futuro |
| Discipline: | Road |
| Role: | Rider |
| Amateuryears1: | 2016–2017 |
| Amateurteam1: | Gobernación de Carabobo |
| Amateuryears2: | 2018– |
| Amateurteam2: | Venezuela Pais Futuro |
| Proyears1: | 2019 |
| Majorwins: | One-day races and Classics |
Robert David Sierra Perez (born 13 November 1996) is a Venezuelan racing cyclist, who currently rides for American amateur team Miami Night (NCL)