Leonidas "Leo" Housakos (born January 10, 1968) is a Canadian politician and a Conservative member of the Senate of Canada.He was appointed acting Speaker of the Senate of Canada on April 24, 2015, following the death of Pierre Claude Nolin.
On May 4, 2015, he was appointed as Pierre Claude Nolin's successor permanently.
He was succeeded as Speaker by Senator George Furey on December 3, 2015, on Furey's appointment to the position by Prime Minister Justin Trudeau.