Donald Colin Mackenzie (May 27, 1931 – December 20, 2021) was a Canadian Forces Air Command general.

[2] He served as deputy commander of NORAD from 1983 to 1986.

He is an alumnus of the University of Alberta, earning a Bachelor of Commerce degree in 1959.

He also earned an honorary doctorate of Law.

Mackenzie has also served on the board of directors of PanAmerican Beverages Inc.[3][4][5][6] Mackenzie died on December 20, 2021, at the age of 90.