In the entire world, Hironaga (Hironaga 
) is an extremely rare masculine given name. Much less frequently, Hironaga is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Hironaga | United States, Japan, China, Canada, Brazil |
| kawakatsu hironaga (b. 1735) |
|
|
| andō hironaga (b. 1747) |
|
|
| kawakatsu hironaga (b. 1759) |
|
|
| hironaga kakoi researcher (ORCID 0000-0002-6701-2669) |
|
|
| hironaga satake researcher |
|