Prof. Olga Kapeliuk (Hebrew: אולגה קפליוק; b. 1932, Kraków, Poland) is an Israeli linguist.
Kapeliuk, who is professor emeritus of linguistics and African studies, was cited as being among the most important Israelilinguists and researchers of Semitic languages, especially of Ethiopian languages and modern Aramaic dialects. She has earned an international reputation as one of the leading experts in the Amharic language of Ethiopia. With the development of the large-scale immigration of Ethiopian Jews to Israel, she served an important function as an advisor to the nation’s educational system.
"Miscellanea Neo-Syriaca", in: Jerusalem Studies in Arabic and Islam 15 (1992), pp. 60–73.
Syntax of the noun in Amharic. Äthiopistische Forschungen 37. Wiesbaden: Harrassowitz 1994. ISBN 3-447-03406-8.
"The evolution of ərswo and ərsaččäw as sociolinguistic variants", in: Harold G. Marcus, Grover Hudson (eds.), New trends in Ethiopian studies : papers of the 12th international conference of Ethiopian studies, Lawrenceville, NJ: Red Sea Press 1994, pp. 1270–1274. 
"Possessive and determining nominal complexes in Semitic", in: Gideon Goldenberg, Shlomo Raz (eds.), Semitic and Cushitic studies Wiesbaden: Harrassowitz 1994 (ISBN 3-447-03447-5), pp. 65–69. 
"Is modern Hebrew the only “Indo-Europeanized“ Semitic language? And what about Neo-Aramaic?", in: Israel Oriental Studies 16 (1996), pp. 59–70.
"Reflections on the Ethio-Semitic gerund", in: Katsuyoshi Fukui, Eisei Kurimoto, Masayoshi Shigeta (eds.), Ethiopia in broader perspective : papers of the XIIIth International conference of Ethiopian studies, Kyoto: Shokado 1997, vol. 1, pp. 492–498. 
"The Ethio-Semitic possessive pronouns as predicalizers in historical perspective", in: Aethiopica 1 (1998), pp. 148–163. 
"The gerund and gerundial participle in Eastern Neo-Aramaic", in: Sprachtypologie und Universalienforschung 51/3 (1998), pp. 276–288. 
"Regularity and deviation in peripheral Neo-Semitic", in: Lutz E. Edzard & Mohammed Nekroumi (eds.), Tradition and innovation : norm and deviation in Arabic and Semitic linguistics, Wiesbaden: Harrassowitz 1999, pp. 11–21. 
"Some suprasentential constructions in Amharic", in: Andrzej Zaborski (ed.), New data and new methods in Afroasiatic linguistics : Robert Hetzron in memoriam, Wiesbaden: Harrassowitz 2001 (ISBN 3-447-04420-9), pp. 75–83.