| SIX | Swiss Exchange | 瑞士交易所 |
| SIX | Sine Oculis Homeobox, Drosophila | Sine Oculis Homeobox，果蝇 |
| SIX | Scandinavian Information Exchange | 斯堪的纳维亚信息交换 |
| SIX | Singleton, New South Wales, Australia | 澳大利亚新南威尔士州辛格尔顿 |
| SIX | Sixel file Bitmap graphics | Sixel文件位图图形 |
| SIX | Search for Interuniversal Xtraterrestrials | 搜索Interuniversal Xtraterrestrials |