Acoustic may refer to:

Music

Albums

* Acoustic (Above & Beyond album), ''Acoustic'' (Above & Beyond album), 2014 * Acoustic (Deine Lakaien album), ''Acoustic'' (Deine Lakaien album), 2007 * Acoustic (Everything but the Girl album), ''Acoustic'' (Everything but the Girl album), 1992 * Acoustic (John Lennon album), ''Acoustic'' (John Lennon album), 2004 * Acoustic (Love Amongst Ruin album), ''Acoustic'' (Love Amongst Ruin album), 2011 * Acoustic (Nitty Gritty Dirt Band album), ''Acoustic'' (Nitty Gritty Dirt Band album), 1994 * Acoustic (Nouvelle Vague album), ''Acoustic'' (Nouvelle Vague album), 2009 * Acoustic (Simple Minds album), ''Acoustic'' (Simple Minds album), 2016 * ''The Acoustic'', by Ektomorf, 2012 * ''Acoustic'', by Oumou Sangaré, 2020

EPs and singles

* Acoustic (Bayside EP), ''Acoustic'' (Bayside EP), 2006 * Acoustic (Britt Nicole EP), ''Acoustic'' (Britt Nicole EP), 2010 * Acoustic (Coldplay EP), ''Acoustic'' (Coldplay EP), 2000 * Acoustic (Lights EP), ''Acoustic'' (Lights EP), 2010 * Acoustic (Second Coming EP), ''Acoustic'' (Second Coming EP), an acoustic version of ''13'', 2003 * ''Acoustic'', by Brandi Carlile discography#EPs and demos, Brandi Carlile, 2004 * ''Acoustic'', by Gabrielle Aplin discography#Extended plays, Gabrielle Aplin, 2010 * ''Acoustic'', by Press to Meco, 2019 * Acoustic (single), "Acoustic" (single), "Follow You Home" and "Refugees", by Embrace, 2014

Companies

* Acoustic (magazine), ''Acoustic'' (magazine) * Acoustic Guitar (magazine), ''Acoustic Guitar'' (magazine) * Acoustic Disc, a record label owned by David Grisman * Acoustic Control Corporation, produced amplifiers

Other music

* Acoustic guitar, as opposed to electric guitar * Acoustic bass guitar, as opposed to electric bass guitar * Acoustic music, music that solely or primarily uses non-electrical instruments * Acoustic recording, a pre-microphone method of recording * Acoustics, a branch of physics that studies sound * Musical acoustics, the branch of acoustics that studies the physics of music * Piano acoustics, the physical properties of the piano that affect its sound

Technology

* Acoustic cryptanalysis, in cryptography, a side channel attack which exploits sounds * Acoustic fingerprint, a condensed digital summary, a fingerprint generated from an audio signal * Acoustic location, a pre-radar and pre-sonar method of detecting hostile vehicles and vessels * Acoustic metamaterials, engineered materials with atypical properties * Acoustic signature, sound emitters, such as those of ships and submarines * Acoustic thermometry, observation of ocean climate using long-range instruments * Acoustic torpedo, a torpedo that aims itself

Other uses

* Acoustic (film), ''Acoustic'' (film), a 2010 South Korean omnibus film * External acoustic meatus, another name for the ear canal