Knud Gleie (15 March 1935 – 21 January 2010) was a Danish swimmer.
He competed at the 1952 Summer Olympics and the 1956 Summer Olympics in the 200 meter breaststroke.
FINA set a standard of time of 2:38 for the 200m breaststroke world mark.
Gleie was the first inside that mark with a time of 2:37.4 on 14 February 1953.
This biographical article related to a Danish swimmer is a stub.