Surname Shigenaga (Shigenaga 
) , around the world, is a rare cognomen. The cognomen Shigenaga is characteristic of the United States, where it is a very rare surname, Argentina, and Peru. In absolute terms, this name is the most popular in the United States, Brazil, and Argentina. More prevalently, Shigenaga is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Shigenaga | Japan, Brazil, United States, Argentina, Peru |
| akira shigenaga researcher |
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| atomu shigenaga golfer, JP (b. 1988) |
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| ōhashi shigenaga |
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