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

See also

Sustainability Sustainer (disambiguation) SustainUS, a non-profit youth advocacy group