Sustain (disambiguation)

Sustain is a parameter of musical sound in time.

Sustain may also refer to:


 * Sustain (album), a 2007 album by ska punk band Buck-O-Nine
 * Sustain (composition) a 2018 orchestral composition by American composer Andrew Norman
 * Sustained (law), a ruling to disallow the question, testimony, or evidence, issued by a judge in the law of the United States of America
 * SUSTAIN (military), a concept in airborne warfare
 * Sustainment (military), an aspect of logistics
 * Sustainment (United States military)
 * Principles of sustainment, US Army doctrine
 * Sustainment Brigade, a type of US Army unit
 * USS Sustain (AM-119), an Auk-class minesweeper