Surname 洛森 (Lowson 
, 洛森 
) , all around the world, is quite a rare cognomen. The last name 洛森 is habitual in the United Kingdom, where it is quite a rare surname, Australia, where it is a rare surname, and New Zealand. In absolute terms, it most frequently occurs in the United Kingdom, Australia, and the United States. Very seldom, 洛森 is the forename as well as the last name.