蓝鳃太阳鱼（学名：Lepomis macrochirus），辐鳍鱼纲鲈形目太阳鱼科的其中一个种。

本鱼分布于北美洲圣劳伦斯河五大湖区与密西西比河流域至墨西哥北部间的溪流及湖泊中。

For the exoatmospheric nuclear test, refer to Bluegill (nuclear test).

The bluegill (Lepomis macrochirus) is a species of freshwater fish sometimes referred to as bream, brim, or copper nose. It is a member of the sunfish family Centrarchidae of the order Perciformes. It is native to North America and lives in streams, rivers, lakes, and ponds. It is commonly found east of the Rockies. It usually hides around, and inside, old tree stumps and other underwater structures. It can live in either deep or very shallow water, and will often move back and forth, depending on the time of day or season. Bluegills also like to find shelter among water plants and in the shade of trees along banks.