Throughout the world, Adelhard (Adelhard 
) is a rare boy's first name. The given name Adelhard is habitual in Germany, where it is a rare masculine name, and Tanzania, where it is a very rare male name. Very seldom, Adelhard is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Adelhard | Germany, Spain, Tanzania, Brazil, Netherlands |
| adelhard kaspar DE (b. 1902) |
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| adelhard gerke DE (b. 1930) |
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| adelhard roidinger Austrian bassist, AT (b. 1941) |
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