Surname 怀伯 (怀伯 
, Wyber 
, Wyberg ) , across the world, is a rare last name. The surname 怀伯 is habitual in New Zealand, where it is a rare surname, Australia, and Colombia, where it is a very rare surname. Measured by absolute frequency, the name is most common in Australia, the United States, and New Zealand. Much less frequently, 怀伯 is the forename as well as the last name.