Boniface, COM, OOnt (born 5 August 1955) is a Canadian police officer, lawyer, and the former Commissioner of the Ontario Provincial Police (O.P.P.) ending in 2006.
She is the first woman to hold this position.
She is also the first female President of the Canadian Association of Chiefs of Police, and the first Canadian to hold the Vice Chair of the Division of State and Provincial Police of the International Association of Chiefs of Police.
Boniface stepped down as Commissioner in October 2006 to accept an advisory position with Ireland's Garda SÃochána Inspectorate (National Police Force).
On 31 October 2016, her appointment to the Senate of Canada was announced.