Surname Obusan (Obusan 
) , around the globe, is quite a rare cognomen. The cognomen Obusan is habitual in Philippines, where it is quite a rare surname, United Arab Emirates, where it is a rare surname, and Singapore. Not in comparison with a country's population, it is the most numerous in Philippines, the United States, and United Arab Emirates.
| VARIANT | COUNTRY |
|---|---|
| Obusan | Canada, Philippines, United Arab Emirates, United States, Saudi Arabia |
| ramon obusan Filipino artist, PH (b. 1938) |
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| marie christine m obusan researcher (ORCID 0000-0002-5453-1881) |
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