塞拉尔沃（西班牙语：Cerralbo），是西班牙卡斯蒂利亚-莱昂萨拉曼卡省的一个市镇。 总面积52平方公里，总人口249人（2001年），人口密度5人/平方公里。

Cerralbo is a village and large municipality in the province of Salamanca, western Spain, part of the autonomous community of Castile-Leon. It is located 84 kilometres from the provincial capital city of Salamanca and has a population of 242 people.