Robert Hamilton Kennedy (December 30, 1869 – 1951) was a farmer, merchant and political figure in Nova Scotia, Canada. He represented Colchester County in the Nova Scotia House of Assembly from 1911 to 1920 as a Liberal-Conservative member.
He was born in Brookfield, Nova Scotia, the son of James Kennedy and Mary Jane Hamilton. He worked on the family farm and then went to Manitoba in 1890, returning two years later and entering the lumber trade. In 1893, Kennedy worked as a carpenter in Massachusetts. He came back to Nova Scotia again later that year and from then on worked as a farmer and lumber merchant, also operating sawmills. In 1896, Kennedy married Bessie Jane Ross. He served nine years as a member of the Colchester County council. He also was quartermaster in the militia for the Pictou, Colchester and Hants counties. Kennedy died in Truro.