Oleg Valjalo (born 19 November 1970, Dubrovnik) is a Croatian politician who served as a Croatian member of the European Parliament from the accession of Croatia to the European Union on 1 July 2013 until 1 July 2014. He was placed on the European Parliament Committee on Budgets during his term. He is a member of the Social Democratic Party of Croatia.
He has an MA in economics and has worked in banking and tourism.