Federal Office Building may refer to:

in the United States

(by state)

• Federal Office Building 6 (FOB 6), original name of the Lyndon Baines Johnson Department of Education Building in Washington, D.C.
• Federal Office Building (Omaha, Nebraska), listed on the National Register of Historic Places (NRHP)
• Federal Office Building (New York, New York), listed on the NRHP
• Post Office, Courthouse, and Federal Office Building, Oklahoma City, Oklahoma, listed on the NRHP
• Customs House (Nashville, Tennessee), also known as Federal Office Building, listed on the NRHP
• Estes Kefauver Federal Building and United States Courthouse, Nashville, Tennessee, listed on the NRHP
• Federal Office Building (Austin, Texas), listed on the NRHP in Travis County, Texas
• Federal Office Building (Seattle, Washington), listed on the NRHP
• Federal Office Building (Cheyenne, Wyoming), listed on the NRHP in Laramie Count

See also

• Federal Building (disambiguation)
• Federal Triangle, multiple buildings in Washington D.C.