Down may refer to:
Relative direction, where ''down'' is the opposite of ''up''
Railroad directions, where ''down'' and ''up'' have locally significant meanings
Down feathers
Downland, a type of hill
Down syndrome, a genetic disorder
Down (football), in American/Canadian football, a period of time where one play takes place
County Down, a county within Northern Ireland
:
Down (Northern Ireland Parliament constituency)
:
Down (UK Parliament constituency)
Down (game theory), a standard position in mathematical game theory
''Down'' (film), an English remake of the film ''De Lift'', about an express elevator that develops a mind of its own
''Down'' (comics), a comic book published by Top Cow Productions
Down payment, a term used in the context of the purchase of items.