Cognomen Benjamast (Benjamast 
) , in the world, is an extremely rare surname. Much more prevalently, Benjamast is the forename as well as the last name.
Apina, Kurson, Hansen, Conklin, Kruason, Jukjaiwong, Thavorn, Hengmee, Satjavinitlert, Phetjood, Tamseewan, Wongpunya, Chaiyasing, and Suntipongphaiboon