| Diffa | |
| Settlement Type: | Department |
| Mapsize: | 300px |
| Subdivision Type: | Country |
| Subdivision Name: | Niger |
| Subdivision Type1: | Region |
| Subdivision Name1: | Diffa Region |
| Unit Pref: | Imperial |
| Area Total Km2: | 5,365 |
| Population As Of: | 2012 |
| Population Total: | 159722 |
| Timezone: | GMT 1 |
| Utc Offset: | +1 |
Diffa is a department of the Diffa Region in the extreme southeast of Niger. It is bordered by Chad to the east. Its capital lies at the city of Diffa. As of 2012, the department had a population of 209,249 people.[1] [2] [3]