Yuriy Tarnawsky (born February 3, 1934) is a Ukrainian-American writer and linguist, one of the founding members of the New York Group, a group of avant-garde Ukrainian diaspora writers, and co-founder and co-editor of the journal New Poetry, as well as member of the US innovative writers' collaborative Fiction Collective.
He writes fiction, poetry, plays, translations, and criticism in both Ukrainian and English.
His works have been translated into Azerbaijani, Czech, French, German, Hebrew, Italian, Polish, Portuguese, Romanian, and Russian.
His New York University PhD dissertation Knowledge Semantics argues against decompositional semantics and combines Noam Chomsky's and Hilary Putnam's views on language into one formulation.