Cognomen Resoun (Raisun 
, Reson 
, Resoun 
) , throughout the world, is a rare last name. The family name Resoun is habitual in Kenya, where it is a rare surname, Malaysia, and Tanzania, where it is a very rare surname. In absolute terms, the name is most common in Kenya, Bangladesh, and Indonesia. More frequently, Resoun is the forename as well as the last name.