Cognomen Helmes-Hackelöer (Helmes-Hackelöer 
) , across the world, is a very rare surname. The cognomen Helmes-Hackelöer is habitual in Western Europe, particularly Germany, where it is a very rare surname. Parts of the name also exists independently as a last name Helmes, and a last name Hackelöer.
| VARIANT | COUNTRY |
|---|---|
| Helmes-Hackelöer | Germany |