| Official Name: | Okollo |
| Mapsize: | 150px |
| Pushpin Map Caption: | Map of Uganda showing the location of Okollo. |
| Pushpin Map: | Uganda |
| Subdivision Type: | District |
| Subdivision Name: | Arua District |
| Utc Offset: | +3 |
| Coordinates: | 2.6542°N 31.1456°W |
| Elevation M: | 800 |
Okollo is a town in Arua District, northwestern Uganda.
Okollo is located approximately 58km (36miles), by road, southeast of Arua, the largest city in the sub-region, on the Arua-Nebbi Highway.[1] The coordinates of the town are: 02 39 15N, 31 08 44E (Latitude:2.65417; Longitude:31.14556).
Okollo is the headquarters of Okollo sub-county in Madi-Okollo County in Arua District. The town lies on the Arua-Nebbi Highway which continues on to Gulu, the largest city in Northern Uganda. Okollo also lies in the path of the 33kV electric power line from Nyagak Power Station in Paidha, Nebbi District, connecting to Arua, through Nebbi, Okollo and Bondo.
The exact population of the town of Okollo is not known at this time.