Colonization is the process of establishing a colony.

Colonization or colonisation may also refer to: In the United States, until the Union won the Civil War, the policy of having African Americans voluntarily move to Africa or Latin America, supported by the American Colonization Society. Colonisation (biology), the process in biology by which a species spreads to new areas Space colonization, the human migration to other bodies in the Solar System Colonization (series), a trilogy of books by Harry Turtledove Sid Meier's Colonization, a computer game released by Microprose in 1994 Civilization IV: Colonization, a 2008 remake of the 1994 game