"Loud" is a song by Australian singer Shannon Noll, released as the first single from his third album, Turn It Up (2007). The single's B-side is "The World Outside", a non-album track. Noll previewed this track during his 2006 "Now I Run" National Tour.
"Loud" was released on 3 September 2007 and debuted at number three on the Australian Singles Chart. The song was heavily used in various promotions, namely the 2007 NRL Finals Series. Noll additionally performed the song live as part of the pre-game entertainment for the 2007 NRL Grand Final.