| Nicolás Marambio | |
| Birth Date: | 1886 6, df=y |
| Birth Place: | Freirina, Chile |
| Death Place: | Santiago, Chile |
| Nationality: | Chilean |
| Office1: | President of the Senate of the Republic of Chile |
| Term Start1: | 15 May 1934 |
| Term End1: | June 1935 |
| Predecessor1: | Ignacio Urrutia Manzano |
| Successor1: | Ignacio Urrutia Manzano |
| Party: | Radical Party |
| Occupation: | Politician |
| Profession: | Lawyer |
| Parents: | Tomás Marambio Nicolasa Montt |
| Spouse: | Amaranta Jaramillo Aguirre |
| Children: | Five |
Nicolás Marambio Montt (13 June 1886 – 28 June 1936) was a Chilean politician and lawyer who served as President of the Senate of Chile.