Ratho is a village in the rural west part of the City of Edinburgh council area, Scotland. Its population at the 2011 census was 1,634 based on the 2010 definition of the locality. It was formerly in the old county of Midlothian. Ratho Station, Newbridge and Kirkliston are other villages in the area. The Union Canal passes through Ratho. Edinburgh Airport is situated only 4 miles (7 km) away. The village has a high ratio of its older houses built from whin stone due to a whin quarry nearby. The older, historical, part of the village was designated a Conservation Area in 1971 by Midlothian County Council.

The City of Edinburgh Council is the local government authority covering the City of Edinburgh council area. Almost half of the council area is the area of Edinburgh, capital of Scotland. With a population of 514,990 in mid-2019, it is the second most populous local authority area in Scotland.