Joseph-Octave Villeneuve (French pronunciation: [ʒozɛf ɔktav vilnœv]; 4 March 1836 – 27 June 1901) was a Canadian businessman, provincial politician, and senator.

Entering business in Montreal, Villeneuve founded a firm of wholesale grocers and spirits merchants.

As a businessman and local politician he acquired large commercial interests in Canada.

In 1896, he was appointed to the Canadian Senate representing the senatorial division of De Salaberry, Quebec.

This article about a Quebec Member of the Canadian Senate is a stub.