The Green Run was a secret U.S. Government release of radioactive fission products.
Green Run may also refer to:
Places Green Run, Virginia, a residential and commercial community in Virginia Beach, Virginia Green Run High School, in the above community Green Run, Pleasants County, West Virginia, an unincorporated community in Pleasants County Green Run (Spring Brook), a stream in Lackawanna County, Pennsylvania
Other A 2021 series of tests of the SLS rocket