Karl Hansen

Karl Hansen may refer to:


 * Karl Aage Hansen (1921–1990), Danish footballer and Olympic bronze medalist
 * Karl Hansen (footballer, born 1942), Danish footballer
 * Karl Hansen (cyclist) (1902–1965), Norwegian cyclist
 * Karl Hansen (equestrian) (1890–1959), Swedish horse rider
 * Karl Hansen (whistleblower), whistleblower for Tesla, Inc.