Family name สายรัด (Westring 
, สายรัด 
) , all over the world, is a rare cognomen. The family name สายรัด is habitual in Northern Europe, particularly Sweden, where it is quite a rare surname, Denmark, where it is a rare surname, and Norway. In absolute terms, it most frequently occurs in Sweden, the United States, and Denmark. Much less frequently, สายรัด is the forename as well as the last name.