The list of ship commissionings in 1980 includes a chronological list of all ships commissioned in 1980.
| Operator | Ship | Flag | Class and type | Pennant | Other notes | |
|---|---|---|---|---|---|---|
| January |  People's Liberation Army Navy | Changzheng 2 | Type 091 submarine | 401 | date of initial operational capability | |
| 16 February |  United States Navy | Thorn | Spruance-class destroyer | DD-988 | ||
| 22 March | United States Navy | Deyo | Spruance-class destroyer | DD-989 | ||
| 24 April |  Royal Netherlands Navy | Van Kinsbergen | Kortenaer-class frigate | F809 | ||
| 31 May | United States Navy | Fife | Spruance-class destroyer | DD-991 | ||
| 11 July |  Royal Navy | Invincible | Invincible-class aircraft carrier | R05 | ||
| 12 July | United States Navy | Fletcher | Spruance-class destroyer | DD-992 | ||
| 11 October | United States Navy | Samuel Eliot Morison | Oliver Hazard Perry-class frigate | FFG-13 | ||
| 18 October | United States Navy | Arkansas | Virginia-class cruiser | CGN-41 | Sponsor: Mrs. Betty Bumpers | |
| 29 October | Royal Netherlands Navy | Banckert | Kortenaer-class frigate | F810 | ||
| 15 November |  Royal Australian Navy | Adelaide | Adelaide-class frigate | FFG 01 | First in class |