Loud most commonly refers to:

• Loudness, the subjective quality of sound of great intensity

Loud may also refer to:

• Loud (Half Japanese album), 1981
• Loud (Rihanna album), 2010
• Loud (Timo Maas album), 2001
• Loud (Wicked Tinkers album), 1999
• Loud, a 2000 album by Lexy & K-Paul
• Loud (EP), by American Pop-Rock band R5

• "Loud" (Mac Miller song), 2012
• "Loud" (Shannon Noll song), 2007
• "Loud" (Stan Walker song), 2011
• "Loud" (R5 song), 2013
• "Loud" (Tim Hicks song), 2018
• "Loud", a song by Silk City, featuring GoldLink and Desiigner
• "Loud", a 2007 single by Big & Rich from the album Between Raising Hell and Amazing Grace
• "Loud", a song by Chocolate USA from the 1992 album All Jets Are Gonna Fall Today
• "Loud", a song by Reks from his 2016 album The Greatest X
• "Loud", a song by Jessie J from the 2014 album Sweet Talker
• "Loud", a 2006 single by Masters at Work with Beto Cuevas
• "Loud", a song by Matt Nathanson from the 1999 album Still Waiting for Spring
• "Loud", an additional song by Paulina Rubio included on some reissues of the album Brava!
• "Loud", a song by Reks from his 2016 album The Greatest X
• "LOUD", a song by Sammy Hagar from the 2008 album Cosmic Universal Fashion
• "Loud", a collaboration by several artists appearing on the 2012 album The Gates Mixed Plate by Tech N9ne

• Loud Tour (R5), a 2013 concert tour by R5 to promote their EP Loud
• Loud Tour, a 2011 concert tour by Rihanna in support of the album Loud
• Loud Records, a subsidiary of SRC Records founded in 1992
• Loud (band), a British 1990s band
• Loudness (band), a Japanese rock band
• Loud (electronic music act), an Israeli psytrance music group
• Loud (rapper), a Canadian rapper from Quebec

• The Loud House, an American animated television series
  • Lincoln Loud, the protagonist of The Loud House
• Loud Kiddington, a character from the animated television show Histeria!
• Loud (South Korean TV series), a South Korean survival reality show
• Stingray Loud, a Canadian TV channel airing music videos
• Loud, a Canadian television show that aired on MuchMusic

• Loud (surname), an uncommon surname
• Loud Brothers, a defunct American piano manufacturer
• Loud Mine, a gold mine in White County, Georgia
• LOUD Technologies, an American audio equipment manufacturer
• Loud Township, Michigan, U.S.
• River Loud, a river in Lancashire, England
• Loud (esports), a Brazilian esports organisation

• Lloud, a talent agency founded by Lisa of Blackpink
• Louder (disambiguation)