Throughout the world, Ubaldus (Ubaldus 
) is a rare male first name. The forename Ubaldus is characteristic of South-eastern Asia, particularly Indonesia, where it is a very rare male name. Very seldom, Ubaldus is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Ubaldus | Netherlands, Nigeria, Indonesia, United States, Philippines |
| ubaldus gogi ID (b. 1960) |
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| ubaldus gilly Indonesian political candidate, ID |
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