All over the world, Tienaka (Tienaka 
) is a rare largely masculine, but seldom female forename. The given name Tienaka is characteristic of Southern Asia, particularly India, where it is a very rare dominantly male, but infrequently female name. Very seldom, Tienaka is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Tienaka | India, United States |