Cognomen Sunahara (Sunahara 
, Сунахара) , all around the world, is a rare family name. The cognomen Sunahara is characteristic of New Zealand, where it is a very rare surname, Canada, and the United States. Not in comparison with a country's population, it is the most numerous in the United States, Brazil, and India. More prevalently, Sunahara is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Sunahara | Canada, Brazil, India, United States, China |
| walter sunahara Japanese-Canadian artist, CA (b. 1935) |
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| yoshiko sunahara Japanese-Canadian artist, CA (b. 1939) |
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| roger k sunahara researcher |
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| rex sunahara college basketball player (2016–2016) Rhode Island |
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| karen k s sunahara researcher |
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| ann sunahara Japanese-Canadian artist, CA |
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| atsushi sunahara researcher |
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