Janq'u Willk'i (Aymara jach'a big, qullu mountain, "big mountain", also spelled Jankho Willkhi) is a mountain in the Andes of Bolivia which reaches a height of approximately . It is located in the Oruro Department, Sajama Province, Turco Municipality. Janq'u Willk'i lies southwest of Ch'iyar Jaqhi.

References Bolivian IGM map 1:50,000 Estancia Marcarani Hoja 5939-IV

(unnamed)