Frederico Mariath | |
|---|---|
 Mariath, c. 1839 | |
| Allegiance |  Empire of Brazil |
| Service |  Imperial Brazilian Navy |
| Battles / wars | Cisplatine War Cabanagem Ragamuffin War |
Frederico Mariath was a Brazilian admiral in the Imperial Brazilian Navy who participated in the Cisplatine War and some of Brazil's internal conflicts of the early 19th century.