James Francis "Jim" Tunney (June 16, 1927 – September 22, 2010) was a Canadian dairy farmer and senator.
He was a director of the Dairy Farmers of Canada for 18 years, a director of the Dairy Bureau of Canada for 8 years, and a director of the Ontario Milk Marketing Board for 12 years.
For 16 years, he was a Trustee with the Peterborough, Victoria, Northumberland & Clarington District Separate School Board.
He was summoned to the Senate of Canada for the Ontario senatorial division of Grafton on the advice of Prime Minister Jean Chrétien in 2001.
A Liberal, he served for 1 year and 3 months until his mandatory retirement at the age of 75 in 2002.