In the United States Government, the Bureau of European and Eurasian Affairs (EUR) is part of the United States Department of State, charged with implementing U.S. foreign policy and promoting U.S. interests in Europe and Eurasia (which it defines as being Europe, Turkey, Cyprus, the Caucasus Region, and Russia), as well as advising the Under Secretary of State for Political Affairs.

It is headed by the Assistant Secretary of State for European and Eurasian Affairs.

From 1949 to 1983, European affairs were within the purview of the Bureau of European Affairs.

The offices of the Bureau of European and Eurasian Affairs direct, coordinate, and supervise U.S. government activities within the region, including political, economic, consular, public diplomacy, and administrative management issues.

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