Last name 安森 (Anson 
, Ansen 
, 安森 ) , in the entire world, is a common surname. The last name 安森 is characteristic of Hong Kong, where it is quite a common surname, Macao, where it is quite a rare surname, and Jamaica. In absolute terms, it most frequently occurs in the United States, the United Kingdom, and China. Likewise, 安森 is the forename as well as the last name.