Dalmeny is a coastal parish, which lies in the City of Edinburgh Council Area, some 7 miles (11 km) southeast of Dunfermline in Fife and 7 miles (12 km) west of Edinburgh in the City of Edinburgh.
It is located in the old county of West Lothian, which disappeared following the Local Government (Scotland) Act 1974.
The parish has an area of 23.8 sq. km (9.2 sq. miles). Dalmeny has Abercorn, Edinburgh and Kirkliston as its neighbouring parishes. The boundaries of this parish were modified among significant changes recommended by the Boundary Commissioners after the Local Government (Scotland) Act 1889 and again by the Local Government (Scotland) Act 1894.