Yanaca ya da Yana dili (İngilizce: Yana, Yanan), Amerika Birleşik Devletleri'nin kuzeymerkezî Kaliforniya eyaletinde yaşamış olan Yanalar tarafından konuşulmuş Hoka ailesinden Amerind Kızılderili dili. Halkının son temsilcisi olan İşi'nin 1916'da ölümü üzerine dil de tükenmiştir.
- Northern Yana
- Central Yana
- Southern Yana
- Campbell, Lyle. (1997). American Indian languages: The historical linguistics of Native America. New York: Oxford University Press. ISBN 0-19-509427-1.
- Goddard, Ives (Ed.). (1996). Languages. Handbook of North American Indians (W. C. Sturtevant, General Ed.) (Vol. 17). Washington, D. C.: Smithsonian Institution. ISBN 0-16-048774-9.
- Mithun, Marianne. (1999). The languages of Native North America. Cambridge: Cambridge University Press. ISBN 0-521-23228-7 (hbk); ISBN 0-521-29875-X.
- Sapir, Edward. 1910. Yana Texts. University of California Publications in American Archaeology and Ethnology, vol. 1, no. 9. Berkeley: University Press. (Online version at the Internet Archive).
- Sturtevant, William C. (Ed.). (1978–present). Handbook of North American Indians (Vol. 1–20). Washington, D. C.: Smithsonian Institution. (Vols. 1–3, 16, 18–20 not yet published).