| Servicio de Hidrografía Naval | |
 | |
| Agency overview | |
|---|---|
| Formed | 1879 |
| Headquarters | Buenos Aires |
| Parent agency | Ministry of Defense |
| Website | hidro.gov.ar |
The Argentine Hydrographic Service (Spanish: Servicio de Hidrografía Naval, abbreviated SHN) is the branch of the Ministry of Defense responsible for providing hydrographic services.