| Acronym | Definition |
|---|
| JS | JavaScript (web/HTML scripting language) |
| JS | Jessica Simpson (singer) |
| JS | Jersey Shore |
| JS | Junior School |
| JS | Job Security |
| JS | JScript (web/HTML scripting language, file extension) |
| JS | Just Saying |
| JS | Jordin Sparks (singer) |
| JS | Joe Satriani (musician) |
| JS | Jerry Seinfeld (comedian/actor) |
| JS | Jerry Springer |
| JS | Joint Staff |
| JS | John Stamos |
| JS | Joseph Stalin |
| JS | Joint Stereo |
| JS | Air Koryo (airline code) |
| JS | Jonge Socialisten (Dutch: Young Socialists) |
| JS | Jean Sibelius (classical composer) |
| JS | Juventude Socialista |
| JS | Jon Secada (musician) |
| JS | Joubert Syndrome |
| JS | Janitorial Service |
| JS | Joint Services |
| JS | Junior Scholastic (magazine) |
| JS | Joint STARS |
| JS | Jump If Sign |
| JS | Jumper Setting |
| JS | JetSoft |
| JS | Jacen Solo (Star Wars character) |
| JS | Joule-Second |
| JS | Joint Standards |
| JS | John Sinnock (designer of the modern dime; initials on obverse) |
| JS | Janub Sina (Southern Sinai; Egyptian automobile license plate) |
| JS | Jerome Squalor (Lemony Snicket) |
| JS | Justice Strauss (Lemony Snicket) |
| JS | Jay Swaminarayan (India, greeting used mostly by Swaminaryan followers) |
| JS | Jump Squad (gaming clan) |
| JS | Juvenile Spacing |
| JS | Jewelscript (a programming language) |
| JS | Jamming Station |
| JS | Junior Seaman (Royal Navy) |
| JS | Josephine Sisters |
| JS | James Sainsbury plc |