Surname Justam (Justam 
) , in the world, is a rare family name. The cognomen Justam is characteristic of Indonesia, where it is a very rare surname, Malaysia, and the United States, where it is an extremely rare surname. Much less frequently, Justam is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Justam | Malaysia, India, Pakistan, Indonesia, United States |
| judilherry justam Indonesian politician, ID (b. 1948) |
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| h. judilherry justam Indonesian political candidate, ID |
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Yohan, Cameron, Joserita, Judilherry, and Judilhery