Gwenneth (Gwen) M. Boniface is a Canadian politician who serves as a senator from Ontario since November 10, 2016, sitting as a member of the Independent Senators Group (ISG). A former lawyer and police officer, she was the commissioner of the Ontario Provincial Police (OPP) from 1998 to 2006. Boniface was appointed to the Senate was announced by Prime Minister Justin Trudeau on October 31, 2016. Boniface is the first woman to serve as OPP commissioner.