We have so far registered 92,376 seafarers
| Name | Born | Place of birth (place of living shown if missing) | | Enrique Caraizar | December 4, 1912 | Born in Bilbao, Spania | |
| Jose Cardonna | December 29, 1913 | Born in Barcelona | |
| Palomares Carlos | March 22, 1917 | Born in Narva, Spania | |
| Juan Carrascossa | January 13, 1918 | Born in Madrid, Spania | |
| Esteban Cabrera Carts | February 4, 1904 | Born in Denia, Spania | |
| Antonio Carvazal | June 10, 1903 | Born in Aguilar, Spania | |
| Jose Alonso Casal (Cosal) | December 14, 1904 | Born in Corona | |
| Francesco Casamayor | January 16, 1916 | Born in Valencia, Spania | |
| Luis Gill Castello | January 4, 1914 | Born in Tortosa, Spania | |
| Paston Castillo | December 24, 1887 | Lived in 140 Andrew Str. Kingston, N.York | |
| Antonio Castro | March 7, 1917 | Born in Cuevas, Spania | |
| Jose Castro | November 28, 1917 | Born in Valencia, Spania | |
| Manuel Castro | April 15, 1900 | Born in Redella | |
| Francisco Cervantes | May 19, 1908 | Lived in Sanidad Maritima, Huelva, Spania | |
| Dionisio Chesa | September 2, 1895 | Born in La Caroline | |
| Juan Chouza | February 21, 1911 | | |
| Angel Cimiano | August 2, 1900 | Born in Santander, Spania | |
| Enrique Clavero | February 15, 1916 | Born in Barcelona | |
| Ancher Angelo Cobelo (Corello, Corbello) | December 31, 1911 | Born in Vigo | |
| Jose Conde | | | |
| Antonio Conzales | August 18, 1920 | Born in Barcelona | |
| José Cores | April 16, 1912 | Born in Cambados | |
| Francisco Corti | July 15, 1916 | Born in Santander | |
| José Costa | August 22, 1903 | Born in Valencia | |
| Juan G. Costas (Garcia) | April 7, 1916 | Born in Ferrol | |
