| Collo District | |
| Native Name: | دائرة القل |
| Native Name Lang: | ar |
| Type: | District |
| Image Map1: | DZ 21 Collo District.svg |
| Map Caption1: | Map of Skikda Province highlighting Collo District |
| Subdivision Type: | Country |
| Subdivision Name: |  Algeria |
| Subdivision Type1: | Province |
| Subdivision Name1: | Skikda |
| Seat Type: | District seat |
| Seat: | Collo |
| Leader Title: | District chief |
| Leader Name: | Mr. Kebaïli Smaïne |
| Unit Pref: | Metric |
| Area Total Km2: | 228.28 |
| Population Total: | 63071 |
| Population As Of: | 1998 |
| Population Density Km2: | auto |
| Timezone1: | CET |
| Utc Offset1: | +01 |
| Blank Name Sec1: | Municipalities |
| Blank Info Sec1: | 3 |
Collo is a district in Skikda Province, Algeria, on the western Mediterranean Sea coastline of the province, it is also one of the most densely populated districts of the province. It was named after its capital, Collo.
The district is further divided into 3 municipalities: