Last name Aonghusa (Aonghusa 
) , across the world, is a very rare cognomen. The family name Aonghusa is characteristic of Northern Europe, particularly Ireland, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Aonghusa | Ireland |
| proinsias mac aonghusa Irish writer and activist (1933-2003), IE (b. 1933) |
|