Family name সুস্মিতা (Susmita 
, Sushmita , সুস্মিতা ) , in the entire world, is quite a rare last name. The surname সুস্মিতা is characteristic of Bangladesh, where it is quite a rare surname, Qatar, where it is a rare surname, and Kuwait. In absolute terms, it is commonest in Bangladesh, India, and Indonesia. Much more prevalently, সুস্মিতা is the forename as well as the last name.