| Official Name: | Coronel Maridueña |
| Settlement Type: | Town |
| Total Type: | Town |
| Pushpin Map: | Ecuador |
| Mapsize: | 200px |
| Subdivision Type: | Country |
| Subdivision Name: | Ecuador |
| Subdivision Type1: | Province |
| Subdivision Name1: | Guayas |
| Area Total Km2: | 2.39 |
| Population Footnotes: | [1] |
| Population As Of: | 2022 census |
| Population Total: | 7796 |
| Population Density Km2: | auto |
| Coordinates: | -2.2°N -79.42°W |
| Blank Name Sec1: | Climate |
Coronel Marcelino Maridueña is a town located in eastern Guayas, Ecuador. It is the seat of Coronel Marcelino Maridueña Canton.
At the 2022 census Coronel Marcelino Maridueña Canton had a population of 13,183.[2] The most important crop is sugar cane, but bananas and tropical fruits are also grown. The main rivers are the Chimbo River, the Chanchán River, and the Barranco Alto River.
Saint Charles Borromeo is the patron saint of Coronel Marcelino Maridueña.