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TH (1)| Name | Build year | Nationality | Bilde | Loss during WW2 |
|---|---|---|---|---|
| M/S Sirena | 1975 | Norway | ||
| M/S Sirena | 1963 | Liberia | ||
| Bark Sirene | 1867 | Norway | ||
| D/S Sirenes | 1913 | Norway | ||
| M/S Sirenes | 1939 | Norway | ||
| D/S Sir Ernest Cassel | 1910 | Sweden | Shelled by gunfire, 1941-4-16 | |
| M/S Sirevågsbuen | 1972 | Norway | ||
| M/T Siri Knutsen | 2004 | Norway | ||
| M/S Sirina | 1956 | Norway | ||
| M/S Sirinada | 1974 | Norway | ||
| Fullrigger Sirius | 1858 | Norway | ||
| D/S Sirius | 1868 | Norway | ||
| M/S Sirius | 1941 | Norway | Attacked from air, 1945-1-9 | |
| M/S Sirius | 1970 | Norway | ||
| D/S Sirius | 1885 | Norway | Attacked from air, 1940-5-18 | |
| M/S Sirius | 1989 | Norway | ||
| Bark Sirius | 1865 | Norway | ||
| Bark Sirius | 1889 | Norway | ||
| Flytende hvalkokeri M/S Sir James Clark Ross | 1930 | Norway | ||
| Flytende hvalkokeri D/S Sir James Clark Ross (1923-1930) | 1905 | Norway | ||
| M/S Sir James Lithgow | 1954 | Norway | ||
| Fullrigger Sir John Franklin | 1856 | Norway | ||
| TSS Sir John Hawkins | 1929 | Great Britain | ||
| Fullrigger Sir John Lawrence | 1859 | Norway | ||
| M/T Sir Karl Knudsen | 1928 | Norway |