Family name ไวไว (ไวไว 
, Vaivai 
) , in the entire world, is a very rare cognomen. The last name ไวไว is characteristic of New Zealand, where it is a rare surname, Greece, and Australia, where it is a very rare surname. In absolute terms, the name is most common in the United States, Australia, and Greece. Also, ไวไว is the forename as well as the last name.