Black-rumped Waxbill
Estrilda troglodytes
- Least concern
- Card rarity: Common
- Birds

The black-rumped waxbill is a common species of estrildid finch found in Southern Africa. It has an estimated global extent of occurrence of 2,000,000 km2.
Classification
- Class
- Aves
- Order
- Passeriformes
- Family
- Estrildidae
- Genus
- Estrilda