Lloyd Tramblyn "Farmer" Cook (March 21, 1890 – October 9, 1964) was a Canadian professional ice hockey defenceman.

He won the Stanley Cup in 1915 with the Millionaires and was named to the PCHA first all-star team three times.

In 1912–13, he played for the Fernie Ghostriders of the BHL and the Taber Chefs (on the latter club with his brothers Arnold, Wilbur and Leo) of the ASHL.

He played for teams in Culver City, Los Angeles, and San Francisco.

[1] In 1931–32, he was the head coach of the San Francisco Rangers, leading the team to a 12-12-6 record.