Last name Widjanarko (Widjanarko 
) , in the world, is quite a common cognomen. The last name Widjanarko is characteristic of Indonesia, where it is quite a rare surname, Australia, where it is a very rare surname, and the United States, where it is an extremely rare surname. Very seldom, Widjanarko is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Widjanarko | Australia, Singapore, United States, Indonesia, China |
| bambang widjanarko ID (b. 1927) |
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| widjanarko puspoyo politician, ID (b. 1949) |
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| inggrid widjanarko Indonesian actress, ID (b. 1958) |
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| benedictus widjanarko Indonesian politician (born 1959 in Pekalongan), ID (b. 1959) |
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| budi widjanarko Indonesian police officer, ID (b. 1966) |
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| bagoes widjanarko researcher |
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| taufiq widjanarko researcher |
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| simon bambang widjanarko researcher |
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