Cognomen Halagahu (Halagahu 
) , around the world, is a very rare family name. The family name Halagahu is habitual in France, where it is a very rare surname, and the United States, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Halagahu | France, United States |
| lutovico halagahu French Paralympian, FR (b. 1967) |
|
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| matthias halagahu French rugby union player, FR |
|