The list of ship decommissionings in 1973 includes a chronological list of all ships decommissioned in 1973.
| Operator | Ship | Class and type | Fate | Other notes | ||
|---|---|---|---|---|---|---|
| 13 March | , Stena Line | ferry | Sold to Finnlines | Renamed Finnpartner | ||
| 18 November | Transferred to Peruvian Navy | Renamed | ||||
| 12 November | Sold for scrap in 1975 | Paid off date | ||||
| 16 November | Scrapped | [1] |