Albert Edgar Ritchie, CC (December 20, 1916 – January 24, 2002) was a Canadian diplomat.
Born in Andover, New Brunswick, he received a Bachelor of Arts degree in 1938 from Mount Allison University.
A Rhodes scholar, he received an additional Bachelor of Arts from the University of Oxford in 1940.
From 1970 to 1974, he held the top job in Canada's foreign service as Under Secretary of State for External Affairs.
In 1973 he received the Government of Canada Public Service Outstanding Achievement Award.