伊比利亚半岛（西班牙语：la Península Ibérica、葡萄牙语：a Península Ibérica、加泰罗尼亚语：la Península Ibèrica、加利西亚语：a Península Ibérica、巴斯克语：Iberiar penintsula、英语：the Iberian Peninsula），位于欧洲西南角，东面和南面临着地中海，西边是大西洋，北临比斯开湾，在东北部由比利牛斯山脉与欧洲大陆连接。主要包括当今西班牙、葡萄牙、安道尔、法国的一小部分地区、以及直布罗陀。其总面积约 582,000 平方公里。

The Iberian Peninsula /aɪˈbɪəriən pəˈnᵻnsjᵿlə/, also known as Iberia /aɪˈbɪəriə/, is located in the southwest corner of Europe and is divided among three states: Spain, Portugal, and Andorra; as well as Gibraltar, an overseas territory of the United Kingdom. With an area of approximately 582,000 km (225,000 sq mi), it is the third largest European peninsula, after the Scandinavian and Balkan peninsulas.