| Type: | Bishop |
| Honorific-Prefix: | His Excellency |
| Antonino Orrù | |
| Bishop Emeritus of Ales-Terralba | |
| Archdiocese: | Oristano |
| Diocese: | Ales-Terralba |
| Appointed: | 9 April 1990 |
| Term End: | 5 February 2004 |
| Predecessor: | Giovanni Paolo Gibertini |
| Successor: | Giovanni Dettori |
| Ordination: | 13 July 1952 |
| Consecration: | 13 May 1990 |
| Consecrated By: | Ottorino Pietro Alberti |
| Birth Date: | 1928 4, df=yes |
| Birth Place: | Sinnai, Italy |
| Death Place: | Cagliari, Italy |
Antonino Orrú (23 April 1928 – 13 August 2022) was an Italian Roman Catholic prelate.
Orrú was born in Italy and was ordained to the priesthood in 1952. He served as bishop of the Roman Catholic Diocese of Ales-Terralba, Italy from 1990 until his retirement in 2004. He died on 13 August 2022, at the age of 94.[1]