Louder refers to an increase in loudness.
Louder may also refer to:
Persons Alexis Louder, American actress Alison Louder, Canadian actress Earle Louder, musician specialising in playing euphonium, professor of music Jeff Louder (born 1977), American road racing cyclist
Music Louder (Lea Michele album) "Louder" (Lea Michele song), single from Lea Michele album above Louder (R5 album) Louder Tour, 2014 concert tour by R5 to promote their album above Louder!, an album by Sofía Reyes "Louder" (Charice song) "Louder" (DJ Fresh song) "Louder" (DJ MuscleBoy song) "Louder" (Neon Jungle song) "Louder" (Parade song) "Louder", a song by All That Remains from the album Madness, 2017 Louder, or Louder Sound, is the parent brand of Metal Hammer, Prog and Classic Rock magazines since 2017
See also Louder, Louder!, debut album by American rock band Killola Loud (disambiguation)