Colonia (group), a Croatian dance music group
Colonia (Autopsia album), 2002
Colonia (A Camp album), 2009
Colonia (film), a 2015 historical romantic thriller
Places
Colonia (Roman), a Roman Empire outpost in conquered territory to secure it, and later the highest status of Roman city
Colonia del Sacramento, Uruguay
Colonia Department
Colonia, Federated States of Micronesia
Colonia, New Jersey, U.S.
Colonia, Oxnard, California, U.S.
Colonia, Tritenii de Jos, Cluj County, Romania
Colonia (Mexico), a type of neighborhood in a Mexican city
Colonia (United States), a type of community along the U.S.–Mexico border
Colonia Claudia Ara Agrippinensium, the Roman colony from which the German city of Cologne developed
Other uses
Colonia (Madeira), a historical property law regime law unique to Madeira
Colonia (surname), including a list of people with the name
Colonia (ship), a cable vessel that worked on the All Red Line
Colonia (bird), a genus of birds