Last name Waiko (Waiko 
) , globally, is a rare cognomen. The cognomen Waiko is habitual in Papua New Guinea, where it is quite a rare surname, Myanmar, where it is a rare surname, and Malaysia, where it is an extremely rare surname. Measured by absolute frequency, this name is the most popular in Myanmar, Papua New Guinea, and Nigeria. Likewise, Waiko is the forename as well as the last name.
| john waiko Papua New Guinean academic and politician, PG (b. 1945) |
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