"Louder" is a song by British producer DJ Fresh. It features vocals from Welsh singer and former Kosheen frontwoman Sian Evans. The song serves as the theme song for the Lucozade Sport Lite campaign. It was released on 3 July 2011 on Ministry of Sound. "Louder" is considered an important landmark for dubstep music as it was the first of the genre to reach number one on the UK Singles Chart. The song was featured on the soundtrack to Studio Liverpool's Wipeout 2048 and used as the promotional theme for Fox8's reality programme Cricket Superstar.

Daniel Edward Stein, known professionally as DJ Fresh, is an English DJ and record producer. He is one of the principal members of the drum and bass group Bad Company, alongside Darren White (dBridge), Jason Maldini and Michael Wojcicki (Vegas). He also owns and runs the drum and bass label Breakbeat Kaos with Adam F.