Donald Ray Hansen, (born August 20, 1944) is an American former professional football linebacker in the National Football League (NFL) from 1966 to 1977.

He was known as an extremely hard hitter and an underrated as well as overachieving linebacker.

Hansen was a member of FJ Reitz High School's legendary 1961 State Champion football team; he was also a member of the 1964 Rose Bowl Champion Fighting Illini.

He was also selected by the Miami Dolphins in the seventh round of the 1966 AFL draft.

This biographical article relating to an American football linebacker born in the 1940s is a stub.