Last name מונסון (Monson 
, Munson , Monoson 
) , worldwide, is a common cognomen. The cognomen מונסון is habitual in the United States, where it is quite a rare surname, Lesotho, and Australia. Not in comparison with a country's population, the name is most common in the United States, the United Kingdom, and Canada. Much less frequently, מונסון is the forename as well as the last name.