Surname Onogi (Onogi 
) , globally, is a very rare cognomen. The last name Onogi is habitual in Poland, where it is a very rare surname, the United States, where it is an extremely rare surname, and Brazil. Measured by absolute frequency, it is commonest in Poland, China, and the United States. Also, Onogi is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Onogi | Poland, Nigeria, Brazil, United States, China |
| kouta onogi Japanese particle physicist |
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| akio onogi researcher |
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| yasuhiro onogi researcher (ORCID 0000-0002-7950-8952) |
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