Richmond—West Cape Breton was a federal electoral district in the province of Nova Scotia, Canada, that was represented in the House of Commons of Canada from 1925 to 1935. This riding was created in 1924 from Cape Breton South and Richmond riding. It consisted of the County of Richmond and the part of the County of Cape Breton lying east of East Bay and south of the electoral district of Cape Breton South. It was abolished with a law passed to merge Richmond—West Cape Breton into Inverness—Richmond in 1933, which was duly carried out in 1935 with the election of the first member to the new riding.

Members of Parliament

This riding elected the following members of Parliament:

Election results

The by-election was called due to Macdonald's acceptance of a paid role, or office of emolument, from the Crown on 22 August 1930.