Robert Patterson Grant (April 12, 1814 – November 13, 1892) was a Scottish-born merchant and political figure in Nova Scotia, Canada.
He sat for the Pictou division in the Senate of Canada from 1877 to 1892.
Grant came to Canada in 1833, moving to Nova Scotia in 1835.
He represented the East Region of Pictou County in the Legislative Assembly of Nova Scotia from 1859 to 1863 as a Liberal.
This article about a Liberal party Member of the Nova Scotia House of Assembly is a stub.