Topa Inca Yupanqui or Túpac Inca Yupanqui (Quechua: 'Tupaq Inka Yupanki'), translated as "noble Inca accountant," (c. 1441–c. 1493) was the tenth Sapa Inca (1471–93) of the Inca Empire, fifth of the Hanan dynasty. His father was Pachacuti, and his son was Huayna Capac. Topa Inca belonged to the Qhapaq panaca (one of the clans of Inca nobles). His wife was his older sister, Mama Ocllo.