The white-collared oliveback (Nesocharis ansorgei) is a species of estrildid finch found in Africa. It has an estimated global extent of occurrence of 94,000 km<sup>2</sup>.
It could be found at Burundi, The Democratic Republic of the Congo, Rwanda, Tanzania & Uganda. However, it is not commonly seen in at least parts of its range. The IUCN has classified the species as being of least concern.