Altes Haus is German for "old house" and may refer to:

Old House of Lüneburg, a noble family Burgstall Altes Haus, Pommersbrunn, Bavaria Hřídelík, a castle in the Czech Republic Altes Haus (Hotel Geiger), Bavaria Dat ole Huus, a museum in Wilsede, Lower Saxony Dat ole Hus, a museum in Aukrug, Schleswig-Holstein