The Crimson-rumped Waxbill Estrilda rhodopyga also known as Rosy-rumped Waxbill is a common species of estrildid finch found in north-eastern Africa. It has an estimated global extent of occurrence of 830,000 km².

It is found in Burundi, The Democratic Republic of the Congo, Djibouti, Egypt, Eritrea, South Africa, Ethiopia, Kenya, Malawi, Rwanda, Somalia, Sudan, Tanzania & Uganda. The status of the species is evaluated as Least Concern.