Colonia-Haus is a 45-storey, 147 m (482 ft) skyscraper completed in 1973 in the Riehl district of Cologne, Germany.

The tower is equipped with four-speed elevators each for up to 18 people, garbage chutes on all floors, partial air-conditioning in the apartments and additional heating.

They are joined by a parking garage, several bicycle storage rooms with washing machines, tumble dryers and mangles.

A 250 m2 (2,700 sq ft) grocery store, a restaurant with a terrace overlooking the Rhine, and a bar and bowling alleys, a doctor's office and a municipal kindergarten are all on the ground floor.

The skyscraper was known by its advertising slogan of Colonia, with the insurance group, the Cologne Colonia recruited who was acquired in 1997 by the AXA Group.