Cognomen Takenaga (Takenaga 
) , all around the world, is a rare family name. The cognomen Takenaga is habitual in Austria, where it is a rare surname, the United States, where it is a very rare surname, and Brazil. Measured by absolute frequency, it is commonest in the United States, Brazil, and Mexico. More frequently, Takenaga is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Takenaga | Austria, Brazil, United States, Mexico, Japan |
| barbara takenaga American painter, US (b. 1949) |
|
|
| naoko takenaga researcher (ORCID 0000-0003-3776-9406) |
|
|
| tomomi takenaga researcher (ORCID 0000-0001-7198-1588) |
|
|
| takenaga hayato Founder of the Yagyū Shingan-ryū martial arts tradition |
|
|
| mitsuko takenaga researcher |
|
|
| keizo takenaga researcher (ORCID 0000-0001-9127-2965) |
|