Flogging Molly is an American seven-piece Celtic punk band formed in Los Angeles in 1994, led by Irish vocalist Dave King, formerly of the hard rock band Fastway. They are signed to their own record label, Borstal Beat Records.

Speed of Darkness is the fifth studio album by the Irish-American Celtic punk band Flogging Molly, released on May 31, 2011. The album was recorded at Echo Mountain, an old church building turned recording studio in Asheville, North Carolina. The album was produced by Ryan Hewitt, who has worked with bands Red Hot Chili Peppers and the Avett Brothers. Speed of Darkness debuted at number nine on the Billboard 200 chart and number four on the Billboard Independent Chart. It is the band's last album with drummer George Schwindt.