东洛锡安（East Lothian），是英国苏格兰的32个一级行政区之一。地处首府爱丁堡东郊，是苏格兰古代历史上较出名的地区。13世纪的苏格兰国王亚历山大二世出生在此。而多次英格兰军队对于苏格兰的入侵都由此地行进，引发过多次攻城战。面积679km²，人口101,360（2013年）。

地区的行政中心在小镇哈丁顿（Haddington），但是最大镇则是默塞尔堡（Musselburgh）。默塞尔堡被认为是苏格兰历史最悠久的镇落，大约于公元80年时由罗马军团创建。它距离王国首都爱丁堡市中心只有十公里，一直是都市的东大门。

East Lothian (Scots:Aest Lowden, Scottish Gaelic:Lodainn an Ear), is one of the 32 council areas of Scotland, and a lieutenancy area. Archaically, it was also known as Haddingtonshire.

It borders the City of Edinburgh, Midlothian and the Scottish Borders. Its administrative centre is Haddington, although its largest town is Musselburgh. East Lothian is also the name of a registration county, which has different boundaries to the council area.