| Acronym | Definition |
|---|
| KSU | King Saud University (Riyadh, Saudi Arabia) |
| KSU | Kansas State University |
| KSU | Kennesaw State University |
| KSU | Kansas City Southern (stock symbol) |
| KSU | Kent State University (Ohio) |
| KSU | Kentucky State University |
| KSU | Kyoto Sangyo University (Japan) |
| KSU | Kemerovo State University (est. 1973; Russia) |
| KSU | Kyoto Seika University (Japan) |
| KSU | Key Service Unit |
| KSU | Key System Unit (telephony) |
| KSU | Khasi Students Union |
| KSU | Kurashiki Sakuyo University (Japan) |
| KSU | Kerala Students Union |
| KSU | Knowledge, Skills and Understanding (education) |
| KSU | Kunsill Studenti Universitarji (Valletta, Malta) |
| KSU | Kristiansund, Norway - Kvernberget (Airport Code) |
| KSU | Kodak Software Updater |
| KSU | Kickstands Up (motorcycling) |