| Type: | town |
| Marengo | |
| State: | vic |
| Pop: | 239 |
| Postcode: | 3233 |
| Lga: | Colac Otway Shire |
| Stategov: | Polwarth |
| Fedgov: | Corangamite |
| Coordinates: | -38.78°N 143.6567°W |
| Use Lga Map: | yes |
Marengo is a rural locality in Victoria, Australia, situated in the Shire of Colac Otway.[1] In the, Marengo had a population of 239. Marengo is located next to its neighbor Apollo Bay, which they are often associated with one-another.