The list of ship commissionings in 1989 includes a chronological list of all ships commissioned in 1989.
| Operator | Ship | Flag | Class and type | Pennant | Other notes | |
|---|---|---|---|---|---|---|
| 15 March |  Royal Netherlands Navy | Vlaardingen | Alkmaar-class minehunter | M863 | ||
| 20 September | Royal Netherlands Navy | Willemstad | Alkmaar-class minehunter | M864 | ||
| 9 October |  Royal Australian Navy | Westralia | Modified Leaf-class tanker | O 195 | Former RFA Appleleaf | |
| 11 November |  United States Navy | Abraham Lincoln | Nimitz-class aircraft carrier | CVN-72 |