| Official Name: | Mariarano |
| Pushpin Map: | Madagascar |
| Pushpin Label Position: | bottom |
| Pushpin Map Caption: | Location in Madagascar |
| Pushpin Mapsize: | 180 |
| Subdivision Type: | Country |
| Subdivision Type1: | Region |
| Subdivision Name1: | Boeny |
| Subdivision Type2: | District |
| Subdivision Name2: | Mahajanga II |
| Population As Of: | 2001 |
| Population Total: | 6000 |
| Population Blank1 Title: | Ethnicities |
| Population Blank2 Title: | Religions |
| Timezone: | EAT |
| Utc Offset: | 3 |
| Coordinates: | -15.4833°N 88°W |
| Elevation Footnotes: | [1] |
| Elevation M: | 37 |
| Postal Code Type: | Postal code |
| Postal Code: | 402 |
Mariarano is a rural municipality in Madagascar. It belongs to the district of Mahajanga II, which is a part of Boeny Region. The population of the commune was estimated to be approximately 6,000 in the 2001 commune census.
Only primary schooling is available. The majority 50% of the population of the commune are farmers, while an additional 10% receive their livelihood from raising livestock. The most important crops are rice and sugarcane, while other important agricultural products are bananas and cassava. Services provide employment for 5% of the population. Additionally fishing employs 35% of the population.[2]
Mariarano is situated on the coast at 83 km from the town of Mahajanga.[3] It has a coastline of 65 km from Komany to Mataibory.