福斯湾（英语：Firth of Forth；苏格兰盖尔语：Linne Foirthe）位于英国苏格兰东部，在福斯河的入海口（北海）。湾长77km，最宽处28km。有福斯公路和福斯铁路桥跨湾。爱丁堡为沿岸城市。

The Firth of Forth (Scottish Gaelic: Linne Foirthe) is the estuary or firth of Scotland's River Forth, where it flows into the North Sea, between Fife to the north and Lothian to the south. It was known as Bodotria in Roman times.