| strategist | estratega |
| Strategos | Strategos |
| strategy | estrategia |
| Strategy map | Mapa estratégico |
| Strategy of tension | Estrategia de la tensión |
| Strategy pattern | Strategy |
| Stratellite | Estratélite |
| Stratford-upon-Avon | Stratford-upon-Avon |
| stratification | estratificación |
| stratified | estratificado |
| Stratified charge engine | Motor de mezcla pobre |
| stratify | estratificar |
| Stratigraphy | Estratigrafía |
| Strato of Lampsacus | Estratón de Lampsaco |
| Stratocracy | Dictadura militar |
| stratocumulus | estratocúmulo |
| Stratocumulus cloud | Stratocumulus |
| stratopause | estratopausa |
| stratosphere | estratósfera |
| Stratovarius | Stratovarius |
| stratovolcano | estratovolcán |
| stratum | capa |
| stratus | estrato |
| Straub-Huillet | Danièle Huillet |
| Straubing | Straubing |
| Straubing-Bogen | Straubing-Bogen |
| Strausberg | Strausberg |
| Strauss | Strauss |
| straw | paja |
| straw man | espantapájaros |
| Straw mat | Abrigaño |
| straw poll | encuesta |
| Straw-necked Ibis | Threskiornis spinicollis |
| strawberry | fresa |
| Strawberry and Chocolate | Fresa y chocolate |
| Strawberry Fields memorial | Strawberry Fields |
| strawberry mark | antojo |
| Strawberry Marshmallow | Ichigo Mashimaro |
| Strawberry plant | Fragaria vesca |
| Strawberry Poison-dart Frog | Dendrobates pumilio |
| Strawberry Shortcake | Tarta de Fresa |
| strawberry tree | madroño |
| stray | callejero |
| Stray Cats | Stray Cats |
| stray from | alejarse |
| streak | banda |
| streak of lightning | relámpago |
| streak-backed antshrike | batará insigne |
| streaky | rayado |
| stream | corriente |
| Stream gauge | Decibelio |
| Stream mouth | Enbocadura |
| Stream of consciousness writing | Monólogo interior |
| Stream of Passion | Stream of Passion |
| stream out | salir en tropel |
| streamer | gallardete |
| Streaming SIMD Extensions | SSE |
| streamline | dar línea aerodinámica a |
