Valery Oisteanu (Romanian: Valery Oișteanu; Romanian pronunciation: [valeˈri o.iʃˈte̯anu]; born September 3, 1943) is a Soviet-born Romanian and American poet, art critic, essayist, photographer and performance artist, whose style reflects the influence of Dada and Surrealism. Oisteanu is the author of more than a dozen books of poetry, a book of short fiction, and a book of essays. He is the brother of Romanian historian of religion, cultural anthropologist and writer Andrei Oișteanu.
Oisteanu was born in Karaganda, Kazakhstan, raised and educated in Romania, where he was known as Valeriu Oișteanu ([vaˈlerju]). He graduated from the Department of Chemical Industry of the Politechnical Institute in Bucharest.