Robert Hamilton Butts (August 4, 1871, in Port Morien, Nova Scotia, Canada – November 29, 1943) was a politician, barrister and lawyer.

He was elected to the House of Commons of Canada as a member of the Unionist Party in the 1917 election to represent the riding of Cape Breton South and Richmond.

He was defeated in the 1923 by-election for the riding of North Cape Breton and Victoria.

Butts was also a Member of the Nova Scotia House of Assembly (1911–1917 and 1928–1933) representing the electoral district of Cape Breton County in two terms as a member of the Nova Scotia Conservative Party.

This article about a Member of the Nova Scotia House of Assembly is a stub.