District 9 is a 2009 science fiction film directed by Neill Blomkamp.

District 9 may also refer to:

Places District 9, Boston, district for Boston City Council District 9, Düsseldorf, a district in that German city District 9, Ho Chi Minh City, a former district, now part of Thủ Đức City District 9, Zürich, a district in that Swiss city District 9, an electoral district of Malta District 9, a police district of Malta IX District, Turku, Finland New York's 9th congressional district, often referred to as District 9

Art, entertainment, and media District 9 (band), a New York hardcore band profiled in the 1999 documentary film N.Y.H.C. Devyatyi Raion, a Russian pop-rock band whose name translates as "District 9" District 9 (Hunger Games), fictional district in The Hunger Games universe "District 9", a 2018 single by South Korean boy band Stray Kids in the extended play titled I Am Not

See also 9th Arrondissement (disambiguation) District 8 (disambiguation) District 10 (disambiguation) District Six, a district in Cape Town, South Africa, that is the basis for the film Sector 9, a skateboard manufacturer