Worldwide, Deddo (Deddo 
) is a very rare unisex given name. The forename Deddo is habitual in Indonesia, where it is a very rare feminine name, and Germany, where it is a very rare male name. Likewise, Deddo is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Deddo | Germany, Spain, Indonesia, United States, Myanmar |
| deddo harms bosscher Dutch mayor (1808-1885), NL (b. 1808) |
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| deddo hesselink Dutch politician, NL (b. 1864) |
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| deddo moertl researcher (ORCID 0000-0001-6408-8978) |
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