| Acronym | Definition |
|---|
| KISS | Keep It Simple, Stupid |
| KISS | Keep It Short and Sweet |
| KISS | Knights In Satan's Service |
| KISS | Keep It Simple and Stupid |
| KISS | Keep It Simple Solution |
| KISS | Keep It Straight and Simple |
| KISS | Keep It Small and Simple |
| KISS | Korea Information Science Society (South Korea) |
| KISS | Kernel Improved Security System |
| KISS | Key Information Service Specification |
| KISS | Keep It Simple, Sugar |
| KISS | Keep It Super Simple |
| KISS | King of Indiana Sprint Series (racing) |
| KISS | Keep It Short & Simple |
| KISS | Keep It Simple Silly |
| KISS | Kisekae Set System (Japanese language and culture) |
| KISS | Keep It Simple, Sweetie |
| KISS | Keep It Simple, Sweetheart |
| KISS | Keep It Simple, Son |
| KISS | Keep It Simple and Straightforward (design principle; more commonly seen as Keep It Simple, Stupid) |
| KISS | KEK Information Service System (Tsukuba, Japan) |
| KISS | Keep It Stupidly Simple |
| KISS | Keep It Simple, Sir |
| KISS | Keep it Simple, Smarty |
| KISS | Keep It Simple Systems |
| KISS | Keeping in Style Salon (Melcher, IA) |
| KISS | Keep It Simple, Students |
| KISS | Keep It Simple, Statistically |
| KISS | Keep It So Simple |
| KISS | Keep It Simple, Spiritually |
| KISS | Keep It Simple, Saint |
| KISS | Keep It Simple & Safe (airline and aviation management) |
| KISS | Kids Invite Someone Special |
| KISS | Korean Intelligence Support System |
| KISS | Keep It Simple and Systematic |
| KISS | Kid's Identity Suddenly Sixteen (Kids Next Door show) |
| KISS | Kristen Iteration Selection and Sequention (method) |
| KISS | Keep It Safe & Sound |
| KISS | Kids In the Savior's Service |
| KISS | Keep It Super Secret |
| KISS | Keep It Simple and Secular |
| KISS | Kes Internet Support Society (Ocampa Kes fan group; Star Trek Voyager) |
| KISS | Keep It Sensible & Simple |