Cognomen Riyono (Riyono 
) , worldwide, is quite a common last name. The family name Riyono is characteristic of Indonesia, where it is quite a rare surname, Malaysia, where it is a rare surname, and China, where it is an extremely rare surname. Very seldom, Riyono is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Riyono | United States, Malaysia, Japan, Indonesia, China |
| riyono pratikto ID (b. 1932) |
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| riyono asnan Indonesian politician (born 1975), ID (b. 1975) |
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