David Randall Blythe (born February 21, 1971) is an American singer and songwriter, best known as the lead vocalist and lyricist of American heavy metal band Lamb of God. He has also performed guest vocals for Cannabis Corpse, Overkill, Gojira, Eyehategod, Eluveitie, Bad Brains, Soulfly, Clutch, Suicide Silence and Voodoo Glow Skulls, and is the lead singer of side-project band Halo of Locusts.