Last name ウィテカー (Whitaker 
, Whittaker , Whitacre 
) , worldwide, is a widespread surname. The surname ウィテカー is habitual in Cayman Islands, where it is quite a common surname, Barbados, and the United Kingdom (explore the name in all countries). Not in comparison with a country's population, it is the most numerous in the United States, the United Kingdom, and Australia.