Cognomen Mardjono (Mardjono 
) , across the world, is quite a rare last name. The last name Mardjono is characteristic of South-eastern Asia, particularly Indonesia, where it is a rare surname. Likewise, Mardjono is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Mardjono | Indonesia, Malaysia, United States |
|
ary mardjono Indonesian politician, ID (b. 1938) |
|
| letjen tni ary mardjono Indonesian political candidate, ID |
|