Family name Δέλτα (Δέλτα 
) , globally, is an extremely rare surname. The last name Δέλτα is characteristic of Southern Europe, particularly Greece, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Δέλτα | Greece |
|
πηνελόπη δέλτα Greek children's writer, GR (b. 1874) |
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| βιργινία δέλτα (1897-1980), GR (b. 1897) |
|
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| σοφία δέλτα GR |
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| μιχάλης δέλτα Greek musician, GR |
|