伊尼什曼岛是爱尔兰的岛屿，位于大西洋海域，由戈尔韦郡负责管辖，属于阿伦群岛的一部分，面积9.12平方公里，最高点海拔高度79米，2011年人口157。

Inishmaan (Irish:Inis Meáin, the official name, formerly spelled Inis Meadhóin, meaning "middle island") is the middle of the three main Aran Islands in Galway Bay on the west coast of Ireland. It is part of County Galway in the province of Connacht. Inishmaan has a population of about 160, making it the smallest of the Aran Islands in terms of population. It is one of the most important strongholds of traditional Irish culture. The island is predominantly Irish-speaking, though many inhabitants have knowledge of English, and is part of the Gaeltacht.