This is a dynamic list and may never be able to satisfy particular standards for completeness. You can help by adding missing items with reliable sources.
The list of ship commissionings in 1966 includes a chronological list of all ships commissioned in 1966.
| Operator | Ship | Flag | Class and type | Pennant | Other notes | |
|---|---|---|---|---|---|---|
| 25 February | Finnlines | Finndana |  Finland
|
ferry | Previously Hansa Express for the same company | |
| 28 March | Finnlines | Finnhansa | Finland
|
ferry | Delivery delayed by two onboard fires; largest ferry on the Baltic Sea when delivered | |
| 27 April | Siljarederiet | Fennia | Finland
|
ferry | ||
| 2 May | Swedish Lloyd | Saga |  Sweden
|
ferry | ||
| 21 June |  Royal Navy
|
Fife | County-class destroyer | D20 | ||
| 22 June | Finnlines | Finnpartner | Finland
|
ferry | ||
| 6 August |  United States Navy
|
Tripoli | Iwo Jima-class amphibious assault ship | LPH-10 | ||
| 27 August | United States Navy
|
Arlington | Saipan-class aircraft carrier modified into communications relay ship | AGMR-2 | Former USS Saipan | |
| 25 February | TT-Line | Finndana | Finland
|
ferry | Chartered from Finnlines | |
| 11 October | Royal Navy
|
Glamorgan | County-class destroyer | D19 | ||
| 27 October | Rederi AB Svea | Svea | Sweden
|
ferry | ||
| 15 November |  Chilean Navy
|
Virgilio Uribe | Buckley-class destroyer escort | APD-29 | Former USS Daniel T. Griffin |
See also
| Ship events in 1966 | |
|---|---|
| Ship launches | |
| Ship commissionings | |
| Ship decommissionings | |
| Shipwrecks | |