Surname トウワ (Towa 
, Touwa 
, トウワ ) , all over the world, is quite a rare cognomen. The last name トウワ is characteristic of Cameroon, where it is quite a common surname, Papua New Guinea, where it is quite a rare surname, and Ivory Coast, where it is a rare surname. In absolute terms, this name is the most popular in Cameroon, Indonesia, and Tanzania. Likewise, トウワ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Towa | Japan, Indonesia, Ivory Coast, Tanzania, Cameroon |
| Touwa | China, South Africa, Tanzania, France, Israel |
| トウワ | Japan |