| Name | Built | Condition | Location | Notes / more info |
| Ansembourg Castle | 1135 | Privately owned, no visitors | Ansembourg | |
| New Castle of Ansembourg | 1639 | Privately owned, renovated | Ansembourg | |
| Aspelt Castle | 1590 | Undergoing restoration | Aspelt | |
| Beaufort Castle | 11th century | Ruin, open to visitors | Beaufort | |
| Beggen Castle | 1895 | Now Russian Embassy | Dommeldange | |
| Berg Castle | 1911 | Grand-ducal residence | Colmar-Berg | |
| Bettange-sur-Mess Castle | 1753 | Rehabilitation centre for mentally handicapped persons | Bettange-sur-Mess | |
| Bettembourg Castle | 1733 | Town hall of Bettembourg | Bettembourg | |
| Bettendorf Castle | 1728 | Privately owned, no visitors | Bettendorf | |
| Betzdorf Castle | 17th century | Owned by SES communications, no visitors | Betzdorf | |
| Born Castle | 18th century | Privately owned | Born, Luxembourg | |
| Bourglinster Castle | 11th century | Hotel and conference centre | Bourglinster | |
| Bourscheid Castle | 1095 | Partly restored, open to visitors | Bourscheid | |
| Brandenbourg Castle | 13th century | Ruin, no longer open to visitors | Brandenbourg | |
| Clemency Castle | 1665 | Fully restored, occasionally open to visitors | Clemency, SW Luxembourg | |
| Clervaux Castle | 12th century | Fully restored, open to visitors | Clervaux | |
| Colpach Castle | 18th century | Convalescent centre | Colpach-Bas | |
| Differdange Castle | 1577 | Miami University | Differdange | |
| Dommeldange Castle | 17th century | Chinese Embassy | Dommeldange | |
| Dudelange Castle | 15th century | Now just a ruin | Mont St. Jean, Luxembourg | |
| Erpeldange Castle | 1630 | Commune offices | Erpeldange | |
| Esch-sur-Sûre Castle | 13th century | Ruins, site open to visitors | Esch-sur-Sûre | |
| Fischbach Castle | 17th century | Grand-ducal residence | Fischbach | |
| Grand Ducal Palace, Luxembourg | 1572 | Grand-ducal palace | Luxembourg City | |
| Heisdorf Castle | 19th century | Old people's home | Heisdorf | |
| Hesperange Castle | 13th century | Ruin, privately owned, not accessible | Hesperange | |
| Hollenfels Castle | 11th century | Educational centre for young people | Hollenfels | |
| Koerich Castle | 13th century | Ruins, site open to visitors | Koerich | |
| La Fontaine Castle | 1563 | Today almost nothing remains of the former palace | Clausen, Luxembourg City | |
| Larochette Castle | 11th century | Open to the public in summer | Larochette | |
| Lucilinburugh | 1963 | Only ruins, Open to the public | Luxembourg Bock | |
| Mamer Castle | 1830 | Town hall and communal offices | Mamer | |
| Mersch Castle | 16th century | Commune's administration, site can be visited | Mersch | |
| Meysembourg Castle | 1880 | Privately owned, no visitors | Near Larochette | |
| Munsbach Castle | 1775 | Educational institution | Munsbach | |
| Pettingen Castle | 16th century | Ruin, open to the public | Pettingen | |
| Rosport Castle | 1892 | Museum open to the public | Rosport | |
| Sanem Castle | 1557 | Children's home | Sanem | |
| Schengen Castle | 19th century | Hotel and convention centre | Schengen | |
| Schoenfels Castle | 17th century | Site open to the public | Schoenfels | |
| Schuttbourg Castle | 1404 | Privately owned, no visitors | Near Kautenbach | |
| Schauwenburg Castle | 16th century | Town hall and communal offices | Bertrange | |
| Senningen Castle | 1750 | Governmental conference centre, no visitors | Near Niederanven | |
| Septfontaines Castle | 13th century | Privately owned, no visitors | Septfontaines | |
| Stadtbredimus Castle | 1724 | Wine cooperative | Stadtbredimus | |
| Stolzembourg Castle | 1898 | Privately owned, no visitors | Stolzembourg | |
| Urspelt Castle | 1860 | Hotel | near Clervaux | |
| Useldange Castle | 12th century | Ruins open to the public | Useldange | |
| Vianden Castle | Mainly 11th to 14th century | Ruins open to the public | Useldange | |
