内陆帝国（Inland Empire，当地简称I.E.，华侨时称「爱伊」），美国人口调查局所使用的官方称呼为河滨－圣博纳迪诺－安大略都会区（Riverside-San Bernardino-Ontario metropolitan area），是美国南加州的一个都会区。位于洛杉矶以东，其范围大致涵盖了河滨郡与圣博纳迪诺郡，面积约27,000平方英里（70,000平方公里）。

按照美国人口普查的统计数字，该地区约有人口四百万，为全美第12大、加州第3大都会区。美国在进行人口统计时通常把该地区与隔邻的洛杉矶都会区（Los Angeles metropolitan area）合起来统称为“大洛杉矶地区”（Greater Los Angeles Area）。

The Inland Empire (I.E.) is a region in Southern California. The term may be used to refer to the cities of western Riverside County and southwestern San Bernardino County. A generally broader definition will include eastern Los Angeles County cities in the Pomona Valley, and/or the desert community of Palm Springs as well as its surrounding area; a much larger definition will include all of San Bernardino and Riverside counties.