伊吉斯是瑞士的城镇，位于该国东部，由格劳宾登州负责管辖，面积10.92平方公里，其中四成土地用作农业，海拔高度563米，2011年人口7,868，人口密度每平方公里721人。

Igis (Romansh: Eigias) is a former municipality in the district of Landquart in the Swiss canton of Graubünden. Far more known than its proper name Igis is its hamlet Landquart, for its Rail Station and motorway exit. The municipalities of Igis and Mastrils merged on 1 January 2012 into the new municipality of Landquart.