District 3 can refer to:III District, Turku, in Finland
District 3, Düsseldorf, in Germany
District 3, Grand Bassa County, in Liberia
District 3, Malta, an electoral district of Malta
District 3, a police district of Malta
Wiedikon, also known as District 3, in Zürich, Switzerland
District 3, in the United States
District 3, Ho Chi Minh City, in Vietnam
