Surname แฮมเมอร์ (Hammor 
, แฮมเมอร์ 
, Hammeren 
) , in all the world, is a rare cognomen. The family name แฮมเมอร์ is habitual in Norway, where it is quite a rare surname, Morocco, where it is a rare surname, and the United States, where it is a very rare surname. Very seldom, แฮมเมอร์ is the forename as well as the last name.