Family name โทอุทา (Toutha 
, โทอุทา 
) , all over the world, is a very rare cognomen. The last name โทอุทา is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Much less frequently, โทอุทา is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Toutha | United States, France |
| โทอุทา | Thailand |