Unstoppable Force is the second album by American heavy metal band Agent Steel.

It was recorded at Morrisound Recording Studios in Tampa, Florida from March - June 1986, and was digitally mastered in July 1986 at Criteria Studios in Miami, Florida.

The album was released by Combat Records in March 1987.

The 1999 reissue by Century Media Records contains the Mad Locust Rising EP, which some later reissues excludes the cover version of the Judas Priest song "The Ripper".

Credits adapted from the album liner notes.