Fourth Avenue is a street in downtown Pittsburgh.

Some of the structures that Fourth Avenue boasts include:

• Pittsburgh City County Building (1917)
• Allegheny County Office Building (1931)
• Grant Building (1932)
• River Vue (1957)
• Oxford Centre (1983)
• PPG Place (1983)

Fourth Avenue also hosts many of the structures of the Fourth Avenue Historic District.

• Fourth Avenue Historic District

40°26′21″N 80°00′01″W / 40.43907°N 80.00036°W / 40.43907; -80.00036