- See also
{{Underlinked|date=August 2016}}The list of ship commissionings in 1984 includes a chronological list of all ships commissioned in 1984. | Operator | Ship | Flag | Class and type | Pennant | Other notes | | 12 January | NLD}} | {{HNLMS>Haarlem|M853|2}} | Alkmaar|minehunter|2}} | M853 |
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| 12 April | NLD}} | {{HNLMS>Harlingen|M854|2}} | Alkmaar|minehunter|2}} | M 854 |
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| 22 June | CHL}} | {{ship>Chilean destroyer|Almirante Cochrane|1967|2}} | County|destroyer|2}} | D12 | Antrim|D18|6}} |
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| 24 June | USA}} | {{USS>Rentz|FFG-46|2}} | Oliver Hazard Perry|frigate|2}} | FFG-46 |
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| 18 July | NLD}} | {{HNLMS>Scheveningen|M855|2}} | Alkmaar|minehunter|2}} | M855 |
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| 21 July | AUS}} | {{HMAS>Darwin|FFG 04|2}} | Adelaide|frigate|2}} | FFG 04 |
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| September | CHN}} | {{ship>Chinese submarine|Changzheng 3|403|2}} | Type 091 submarine | 403 | date of initial operational capability |
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| 12 December | NLD}} | {{HNLMS>Maassluis|M856|2}} | Alkmaar|minehunter|2}} | M856 |
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{{clear}} See also {{shipevents|1984}}{{Expand list|date=August 2008}} 2 : Lists of ship commissionings|1984 ships |