Deep Blue is the third studio album by Australian metalcore band Parkway Drive. It was recorded in Los Angeles, California, and was released on 25 June 2010 through Resist, Epitaph and Burning Heart Records. The album was produced by Joe Barresi. It debuted at number 2 on the ARIA charts and at number 39 on the Billboard 200 chart. It is also Parkway Drive's most critically acclaimed release, having a three-year separation between their previous album, Horizons.

At the J Awards of 2010, the album was nominated for Australian Album of the Year. It won the 2010 ARIA Award for Best Hard Rock/Heavy Metal Album and has been certified gold in sales by the ARIA.