博尔库姆岛

{{Infobox islands
| name = 博尔库姆岛
| native name = Borkum
| image name = Aerial image of Borkum (view from the west).jpg
| image caption =
| image map = Wadden - Borkum.PNG
| map caption = 博尔库姆岛在西弗里西亚群岛与东弗里西亚群岛的位置
| coordinates =
| location = 北海（大西洋）
| island type =
| archipelago = 东弗里西亚群岛
| area km2 = 30.98
| length_km = 10
| width_km = 7
| coastline km =
| elevation m = 6
| country =
| country admin divisions title = 州}-
| country admin divisions =
| country admin divisions title 1 = 县
| country admin divisions 1 = 莱尔县
| country admin divisions title 2 = 市镇
| country admin divisions 2 = 博尔库姆
| population = 4,337
| population as of = 2023年
| pushpin_map = Germany
}}
博尔库姆岛（，）是德国东弗里西亚群岛中最西端的、面积最大的岛屿，面积30.98平方千米，长10千米，最宽处7千米，人口4,337。该岛由德国下萨克森州莱尔县的同名市镇管辖。