Makonnen is an Ethiopian given name. Notable people with the name include:
- Makonnen Wolde Mikael (1852–1906), Ethiopian governor and father of Haile Selassie I
- Makonnen Endelkachew (1890–1963), Ethiopian aristocrat and Prime Minister
- Tafari Makonnen Woldemikael (1892–1975), birth name of Ethiopian Emperor Haile Selassie I
- T. Ras Makonnen (1900–1983), Guyanese-born Pan-African activist
- Prince Makonnen (1923–1957), son of Haile Selassie I
- Endelkachew Makonnen (1927–1974), Ethiopian aristocrat and politician
- Seifu Makonnen (born 1953), Ethiopian Olympic boxer
- Tamarat Makonnen (born 1972), American music video director
- Makonnen Sheran (born 1989), American musician, known professionally as iLoveMakonnen
- Prince Joel Dawit Makonnen (born 1982), member of the Ethiopian Imperial Family
- Ariana Austin Makonnen, American philanthropist and member of the Ethiopian Imperial Family