Guillaume Henry de Ramel (born August 20, 1974) is a Rhode Island investor, philanthropist, and politician.
He has run for the Democratic nomination for Secretary of State of Rhode Island twice, receiving 47% of the vote in 2006, losing to then North Providence Mayor, A.
Ralph Mollis, and 49% of the vote in 2014, losing to executive director of HousingWorks RI Nellie Gorbea.