The list of ship decommissionings in 1975 includes a chronological list of all ships decommissioned in 1975.
| Operator | Ship | Class and type | Fate | Other notes | |
|---|---|---|---|---|---|
| 26 August |  German Navy
|
Falke | Seeadler-class fast attack craft | Sold to Greece | Renamed Kataigis |
| 28 November | German Navy
|
Bussard | Seeadler-class fast attack craft | Sold to Greece | Cannibalized |
| 1 December |  Finland, Finnlines
|
Finnpartner | Ferry | Laid up in Helsinki; chartered to Olau Line in March 1976 | Renamed Olau Finn |
| 19 December | German Navy
|
Albatros | Seeadler-class fast attack craft | Sold to Greece | Cannibalized |
| Unknown date |  U.S. National Oceanic and Atmospheric Administration
|
Pribilof | Cargo liner | Sold 1975 | Extant 2013 |