巴达洛纳（加泰罗尼亚语：Badalona），是西班牙加泰罗尼亚巴塞罗那省的一个市镇。总面积21平方公里，总人口205836人（2001年），人口密度9802人/平方公里。

Badalona (Catalan pronunciation: [bəðəˈɫonə]) is a city in eastern Catalonia, Spain. It is located in the comarca of the Barcelonès, joined to Barcelona and part of its metropolitan area. It is situated on the left bank of the small Besòs River and on the Mediterranean Sea, backed by the Serra de la Marina mountain range. Badalona is the third most-populated municipality in Catalonia after Barcelona and L'Hospitalet de Llobregat. It became a city in 1897. The city is currently governed by "Guanyem Badalona en Comú", a coalition including the Popular Unity Candidacy.