Roger G. DeKok (January 10, 1947 – April 23, 2003) was a lieutenant general in the United States Air Force.

DeKok was a graduate of the University of Wisconsin-Madison, obtaining a Bachelor of Arts in mathematics.

[1] DeKok earned a Master of Science degree in systems management in 1979 from the Air Force Institute of Technology.

[2] In 1971 DeKok was assigned to the North American Air Defense Command.

In 1993 he was named director of plans of Air Force Space Command and was named director of operations at the United States Space Command in 1995.