Cognomen Kustu (Kustu 
) , in the entire world, is a very rare last name. The surname Kustu is habitual in Canada, where it is an extremely rare surname, Turkey, and the United States. In absolute terms, this name is the most popular in the United States, India, and Turkey. More frequently, Kustu is the forename as well as the last name.
| sydney kustu microbiologist (1943-2014), US (b. 1943) |
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