Cognomen Istiyono (Istiyono 
) , all around the world, is a rare surname. The surname Istiyono is habitual in South-eastern Asia, particularly Indonesia, where it is a rare surname, and Malaysia, where it is a very rare surname. Much less frequently, Istiyono is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Istiyono | Indonesia, Malaysia |
| heru istiyono ID (b. 1960) |
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| edi istiyono ID (b. 1968) |
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