Cognomen Tomioka (トミオカ 
, Tomioka 
) , around the globe, is quite a rare last name. The cognomen Tomioka is habitual in Eastern Asia, particularly Taiwan, where it is a rare surname, Japan, and South Korea. Not in comparison with a country's population, it is the most numerous in Japan, Brazil, and South Korea. More frequently, Tomioka is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| トミオカ | Japan |
| Tomioka | Brazil, Myanmar, South Korea, Japan, Taiwan |
| koei tomioka Kannushi (b. 1928) |
|
|
| yukio tomioka (b. 1925) |
|
|
| keisō tomioka (b. 1926) |
|
|
| akira tomioka Japanese politician (b. 1950) |
|
|
| taeko tomioka Japanese amateur wrestler, JP (b. 1979) |
|
|
| akiko tomioka researcher |
|
|
| satoshi tomioka researcher |
|
|
| azusa tomioka researcher |
|
|
| kodai tomioka researcher |
|
|
| ryohei tomioka researcher |
|
|
| ryota tomioka researcher, machine learning, Microsoft Research Cambridge |
|
|
| haruaki tomioka researcher |
|
|
| hideki tomioka researcher |
|
|
| yoko tomioka researcher |
|
|
| katsuhiro tomioka researcher, ORCID id # 0000-0003-3482-2371 |
|