We have so far registered 86,744 seafarers
| Name | Born | Place of birth (place of living shown if missing) | | Kurt Joensuu | February 6, 1909 | Lived in Eriksgt. 23b, 32 Helsingfors | |
| Ola Sven Joffs | May 9, 1921 | Born in Helsingfors | |
| Martin Johanneson | | | |
| Lenart Th. Johanson | September 20, 1910 | Born in Lovisa | |
| J. Johansson | | Lived in Finland | |
| Johan Henrik Johansson | January 19, 1855 | Born in Finland | |
| Johannes Valter Johansson | November 19, 1903 | Born in Lemland | |
| Martti Johansson | November 5, 1921 | Born in Abe | |
| Martin Johnsen | November 10, 1915 | Born in Helsingfors | |
| Arne Johnson | November 24, 1905 | Born in Tammerfors, Finland | |
| Gustav Arthur Jokinen | May 13, 1872 | Lived in Slo Uskela, Pettila | |
| Veiko Juovilla | | Lived in Bjørneborg | |
| Reino Jussilainen | February 6, 1913 | Lived in Helsinki | |
| Kustaa Ilmari Juusten | April 24, 1907 | Born in Ranmo, Finnland | |
| Pietari Juvela | | | |
| Påve Jårvinen | January 29, 1908 | Born in Helsinki | |
| Eina (Eino) Jærvi | January 2, 1908 | Lived in Kortesjaervi, Finland | |
| Paavo Jærvinnen | November 7, 1911 | Lived in Manta Mustalathi, Finland | |
| Aarne Matias Kaarcla | August 23, 1913 | Born in Helsinki | |
| Esko Kaleranta | | Born in Finland | |
| H. Kallanen | April 6, 1914 | Born in Koivisto, Finland | |
| Johan Emil Kallio | June 30, 1889 | Born in Kotka, Finland | |
| Kårla Kana | March 23, 1922 | Lived in Kaivisto, Fionland | |
| Hugo Kangas | December 29, 1910 | Born in nland | |
| Une Kare | January 2, 1920 | Born in Viborg, Finnlnd | |
