Cognomen อุทะโก (Utago 
, อุทะโก 
) , across the world, is a very rare surname. The last name อุทะโก is characteristic of Tanzania, where it is a very rare surname, and Thailand. Very seldom, อุทะโก is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Utago | Tanzania, India, Spain |
| อุทะโก | Thailand |