Qillqa (Quechua for graphic sign, writing (the act and art of writing), Hispanicized spellings Quilca, Quillca, Quellca) may refer to:
Qillqa (Apurímac), a mountain in the Apurímac Region, Peru Qillqa (Cusco), a mountain in the Cusco Region, Peru Qillqa (Lampa), a mountain in the Lampa Province, Puno Region, Peru Qillqa (Melgar), a mountain in the Melgar Province, Puno Region, Peru Quilca District, a district in the Arequipa Region, Peru, whose seat is named Quilca
See also Qillqatani