丽色军舰鸟（学名Fregata magnificens）是一种军舰鸟。

丽色军舰鸟分布在大西洋热带地区，在美国佛罗里达州、加勒比海地区及佛得角等地繁殖。它们也会在美洲沿太平洋海岸繁殖，包括由墨西哥至厄瓜多尔尔及科隆群岛。

丽色军舰鸟也有迁徙到其他地方的，可以远至曼岛、丹麦、西班牙、英格兰及不列颠哥伦比亚。

The magnificent frigatebird (Fregata magnificens) is a seabird of the frigatebird family Fregatidae. With a length of 89–114 centimetres (35–45 in) it is the largest species of frigatebird. It occurs over tropical and subtropical waters off America, between northern Mexico and Ecuador on the Pacific coast and between Florida and southern Brazil along the Atlantic coast. There are also populations on the Galápagos Islands in the Pacific and the Cape Verde islands in the Atlantic.