The list of castles is a link page for any castle in the sense of a fortified building.
Afghanistan
Albania
Argentina
- Castillo Naveira
Armenia
Austria
Azerbaijan
Belarus
Belgium
Bosnia and Herzegovina
Brazil
Bulgaria
Canada
China
Colombia
- Castillo San Felipe de Barajas
Croatia
Cuba
- La Cabaña
- Morro Castle
- Real Fuerza castle
- San Pedro de la Roca Castle
Cyprus
Czech Republic
Denmark
thumb|[[List of castles and palaces in Denmark]]
Dominican Republic
- Fortaleza Ozama
Egypt
thumb|[[List of Egypt castles, forts, fortifications and city walls]]
Estonia
Ethiopia
- Guzara Castle
- Fasilides Castle
- Kusquam Castle
Finland
thumb|[[List of castles in Finland]]
France
Germany
Ghana
thumb|[[List of castles in Ghana]]
Greece
thumb|[[List of castles in Greece]]
Guernsey
Hungary
India
Iran
Iraq
Ireland
thumb|[[List of castles in the Republic of Ireland|List of castles in Northern Ireland]]
Isle of Man
Israel
Italy
Japan
thumb|[[List of castles in Japan]]
Jersey
Jordan
thumb|[[Ajlun Castle, Jordan]]
Kenya
- Fort Jesus
- Lord Egerton Castle (Ngata)
Korea
thumb|[[List of castles in Korea]]
Latvia
Lebanon
thumb|[[List of castles in Lebanon]]
Libya
- Murzuk Castle in Murzuk
- Sabha Castle in Sabha
- Red Castle in Tripoli
Liechtenstein
Lithuania
Luxembourg
Malta
Mexico
Moldova
thumb|[[Soroca Fort, Moldova]]
- Soroca Castle
Mongolia
- Artificial Lake Castle
- Mongol Castle
- Ordu-Baliq
- Sangiin Kerem
- Tsagaan Baishin of Choghtu Khong Tayiji
Namibia
Nepal
Netherlands
thumb|[[List of castles in the Netherlands]]
New Zealand
- Cargill's Castle
- Glatisaunt Castle
- Larnach Castle
- Norman Castle
- Pamela Castle
- Riverstone Castle
- The Great Wall Castle
- Warwick House
- Werksworth Castle
North Macedonia
thumb|[[List of castles in North Macedonia]]
Norway
Oman
- Al Hazm Castle
- Jabrin Castle
- Nizwa Castle
- Rustaq Castle
Pakistan
thumb|[[List of castles in Pakistan]]
Poland
Portugal
Romania
thumb|[[List of castles in Romania]]
Russia
Saudi Arabia
Serbia
Slovakia
thumb|[[List of castles in Slovakia]]
Slovenia
South Africa
Spain
Sri Lanka
Sweden
Switzerland
Syria
Tibet
thumb|[[Potala, Tibet]]
- Potala
- Yungbulakang Castle
Turkey
thumb|[[List of castles in Turkey]]
Ukraine
United Kingdom
United States
thumb|[[List of castles in the United States]]