| Marcellino Barthelemy | |
| Honorific Prefix: | The Honourable |
| Honorific Suffix: | MP |
| Office1: | MP for Malakula |
| Term Start1: | 2020 |
| Term End1: | 2022 |
| Birth Date: | 16 August 1972 |
| Party: | Reunification Movement for Change |
Marcellino Barthelemy (born 16 August 1972) is a Vanuatuan politician and a member of the Parliament of Vanuatu from Malakula as a member of the Reunification Movement for Change.[1]