| SINE | Society for Innovation and Entrepreneurship (IIT Bombay, India) | 创新与创业协会（印度孟买IIT） |
| SINE | Systematic Integral New Evangelization | 系统整合新福音 |
| SINE | Secure Inbound Network Environment | 安全入站网络环境 |
| SINE | System For Integrated Noise Exposures | 综合噪声暴露系统 |
| SINE | Short Interspersed Nuclear Element | 短间隔核元件 |