This is a list of municipalities in Spain which have standing links to local communities in other countries known as "town twinning" (usually in Europe) or "sister cities" (usually in the rest of the world).
A
Adeje
Caracas, Venezuela
Unterhaching, Germany
Albacete
Bir Gandus, Western Sahara
Houndé, Burkina Faso
La Lisa (Havana), Cuba
Nanchang, China
San Carlos, Nicaragua
Reconquista, Argentina
Udine, Italy
Velenje, Slovenia
Vienne, France
Albuñol
Asilah, Morocco
Al Hoceima, Morocco
Ifrane, Morocco
Alcalá de Guadaíra
Durham, England, United Kingdom
Questembert, France
Stuhr, Germany
Alcalá del Río
Artena, Italy
Alcobendas
Épinay-sur-Seine, France
Algemesí
Basnéré, Burkina Faso
Chiari, Italy
Gangneung, South Korea
Riom, France
Alicante
Alexandria, Egypt
Brighton and Hove, England, United Kingdom
Carloforte, Italy
Herzliya, Israel
León, Nicaragua
Nice, France
Oran, Algeria
Wenzhou, China
Aller
Gembloux, Belgium
Almansa
Lymington, England, United Kingdom
Saint-Médard-en-Jalles, France
Scandiano, Italy
Volvera, Italy
Almendralejo
Ceprano, Italy
A Rúa, Spain
Almuñécar
Cerveteri, Italy
Fürstenfeldbruck, Germany
Hendersonville, United States
Kelibia, Tunisia
Livry-Gargan, France
Altea is a member of the Douzelage, a town twinning association of towns across the European Union. Asikkala also has one other twin town.