| Official Name: | 4th arrondissement |
| Settlement Type: | Arrondissement |
| Pushpin Map Caption: | Location in Benin |
| Subdivision Type: | Country |
| Subdivision Name: |  Benin |
| Subdivision Type1: | Department |
| Subdivision Name1: | Littoral Department |
| Subdivision Type2: | Commune |
| Subdivision Name2: | Cotonou |
| Unit Pref: | Imperial |
| Population As Of: | 2002 |
| Population Total: | 39,012 |
| Timezone: | WAT |
| Utc Offset: | +1 |
| Coordinates: | 6.3702°N 2.4278°W |
4th arrondissement is an arrondissement in the Littoral department of Benin. It is an administrative division under the jurisdiction of the commune of Cotonou. According to the population census conducted by the Institut National de la Statistique Benin on February 15, 2002, the arrondissement had a total population of 39,012.[1]