| seaborgium | seaborgio |
| Seagate Technology | Seagate |
| Seagram Building | Edificio Seagram |
| Seagull | Gaviota |
| Seahawks de Seattle | Seattle Seahawks |
| Sealand | Sealand |
| Seamus Finnigan | Seamus Finnigan |
| Seamus Heaney | Seamus Heaney |
| Sean Astin | Sean Astin |
| Sean Bean | Sean Bean |
| Sean Connery | Sean Connery |
| Sean Kelly | Sean Kelly |
| Sean Paul | Sean Paul |
| Sean Penn | Sean Penn |
| Sean Young | Sean Young |
| Search for Extraterrestrial Intelligence | SETI |
| Searcy | Searcy |
| Sears Tower | Torre Sears |
| Seat | SEAT |
| Seat Altea | SEAT Altea |
| Seat Córdoba | SEAT Córdoba |
| Seat Ibiza | SEAT Ibiza |
| Seat León | SEAT León |
| Seat Malaga | SEAT Málaga |
| Seat Toledo | SEAT Toledo |
| Seattle | Seattle |
| seau | cubo |
| seau à glace | enfriador |
| seau à rafraîchir | enfriador |
| Sebastian | Sebastian |
| Sebastian Coe | Sebastian Coe |
| Sebastian Kehl | Sebastian Kehl |
| Sebastian Kneipp | Sebastian Kneipp |
| Sebastian Münster | Sebastian Münster |
| Sebastian Vettel | Sebastian Vettel |
| Sebastiane | Sebastián |
| Sebastiano del Piombo | Sebastiano del Piombo |
| Sebastiano Serlio | Sebastiano Serlio |
| Sebastianus | Sebastiano |
| Sebastián Iradier | Sebastián Iradier |
| Sebastián Lerdo de Tejada | Sebastián Lerdo de Tejada |
| Sebastián Leto | Sebastián Leto |
| Sebastián Vizcaíno | Sebastián Vizcaíno |
| Sebastião José de Carvalho e Melo | Sebastião José de Carvalho e Melo |
| Sebastopol | Sebastopol |
| Seborga | Seborga |
| sec | puro |
| Secale | Secale |
| Secession | Modernismo |
| Sechium | Sechium edule |
| second | último |
| Second Empire | Segundo Imperio Francés |
| second estomac | segundo estómago |
| Second Life | Second Life |
| second rôle | papel secundario |
| Second Temple | Segundo templo |
| Second Temple de Jérusalem | Segundo templo |
| Second triumvirat | Segundo Triunvirato |
| secondaire | insignificante |
| seconde | momento |
