Umanakaina language
Umanakaina, ma ọ bụ Gwedena, bụ asụsụ Papuan nke New Guinea.  Ọ bụ onye ezinụlọ Dagan dị iche.

 Amaghị aha.  1914. Okwu nke asụsụ nke ndị ugwu Gwoiru na-asụ, na ndị Kanamara nọ n'isi nso na site na Paiwa, Goodenough Bay, N. E. D. Papua Annual Report 1913–1914: 184–184.  Ray, Sidney H. 1938. Asụsụ nke Eastern na South-Eastern Division nke Papua.  Akwụkwọ akụkọ nke Royal Anthropological Institute of Great Britain na Ireland 68: 153–208.  (Tinyekwara ndepụta okwu Dima na asụsụ ndị ọzọ)