R. Peter MacKinnon, OC KC (born 1947) is a Canadian lawyer and legal academic.
He is married to Janice MacKinnon, a Canadian historian and former minister of finance for the Province of Saskatchewan.
On March 9, MacKinnon announced that he would be stepping down as president of the University of Saskatchewan, effective June 30, 2012.
In 2006, it was reported that he was one of three "short list" candidates to be recommended to be appointed to the Supreme Court of Canada replacing the retired justice John C.
[7] In 2011, he was made an Officer of the Order of Canada "for his contributions to education and for his commitment to innovation and research excellence".