Kenneth Pentin Farmer, CM (July 26, 1912 – January 12, 2005) was a Canadian ice hockey player and businessman.

Born in Westmount, Quebec, he received a Bachelor of Commerce degree from McGill University.

He was a member of the 1936 Port Arthur Bearcats, which won the silver medal for Canada in ice hockey at the 1936 Winter Olympics.

After the Olympics, Farmer stated that none of Canada's officials knew what playoff system was being used and that E. A. Gilroy and Fred Marples "were blissfully unaware of what it was all about".

[2] During World War II, he served with The Royal Montreal Regiment and the Manitoba Dragoons.