The list of ship decommissionings in 1977 includes a chronological list of all ships decommissioned in 1977.
| Date | Operator | Ship | Flag | Class and type | Fate | Other notes | |
|---|---|---|---|---|---|---|---|
| 3 March | Rederi AB Svea | Ferry | Chartered to Aarhus-Oslo Linie | Renamed Peer Günt | |||
| April | Lloyd Triestino | Ocean liner | Laid up; rebuilt into a cruise ship | Sold to Italian Line during reconstruction | |||
| 13 May | Finnlines | Ferry (used as a cruise ship) | End of charter; returned to Steamship Company Bore | Placed in Silja Line traffic | |||
| 1 September | Swedish Lloyd | Ferry | Laid up in Gothenburg; sold to Stena Line in September 1978 | Renamed Stena Oceanica | |||
| 2 September | Swedish Lloyd | Ferry | Laid up in Gothenburg; sold to Minoan Lines in March 1978 | Renamed Knossos | |||
| 1 October | Effoa | Ferry | Chartered to Polferries | ||||
| 1 October | Scrapped | [1] | |||||
| 22 October | Svea Line (Finland) | Fennia | Ferry | Laid up; chartered to Sessan Linjen 1978 | |||
| 31 October | Scrapped in Japan in 1983 | ||||||
| 30 December | Jydsk Færgefart A/S | Kattergat | Ferry | Sold to P&O Normandy Ferries, March 1978 | Renamed nf Tiger |