Benjamin Dionne (1798 - June 28, 1883) was a businessman and political figure in Canada East.
He was born at Kamouraska in 1798. He entered business at Cacouna as a merchant around 1825. He served as lieutenant-colonel in the local militia and also as mayor of Cacouna. In 1854, he was elected to the Legislative Assembly of the Province of Canada for Témiscouata; he was reelected in 1858.
He died at Cacouna in 1883.
His daughter Arthémise married seigneur Charles Bertrand who became a member of the Canadian House of Commons.