Cognomen Usadi (Usadi 
) , around the world, is a rare last name. The cognomen Usadi is habitual in Indonesia, where it is a very rare surname, Malaysia, and the United States, where it is an extremely rare surname. Also, Usadi is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Usadi | Indonesia, Malaysia, Nigeria, United States, India |
| bambang usadi Indonesian politician (born 1959 in Bandung), ID (b. 1959) |
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| benjamin usadi researcher (ORCID 0000-0003-0879-3247) |
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| karin marla usadi Ph.D. Indiana University 1991 |
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