Pierre Gustave Brunet (18 November 1805 – 24 January 1896) was a French bibliographer, historian and editor.
He wrote reference books on dialects and historical studies on Bordeaux, some of them in collaboration with the Belgian lawyer, archivist, diplomat, author and historian Octave Delepierre, which were published under the collective pseudonym of "les frères Gébéodé" (the Gébéodé brothers).