Cognomen Toshiyoshi (Toshiyoshi 
) , in the entire world, is an extremely rare surname. Much more frequently, Toshiyoshi is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Toshiyoshi | Japan, Brazil |
| murasakibara toshiyoshi Japanese swordsmith (b. 1829) |
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| yagyū toshiyoshi daimyo of the late Edo period (b. 1830) |
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| hiroshi toshiyoshi researcher (ORCID 0000-0003-3678-7741) |
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