| Acronym | Definition |
|---|
| STIL | Standard Test Interface Language |
| STIL | Standard Test Interface Language (electronics and microelectronics industry) |
| STIL | Software Test and Integration Laboratory (US NASA) |
| STIL | Solar Terrestrial Influences Laboratory (Bulgarian Academy of Sciences) |
| STIL | Streak Tube Imaging LIDAR |
| STIL | Sciences et Techniques Industrielles de La Lumière (French: Industrial Science and Technology of Light) |
| STIL | Starlink Tables Infrastructure Library (Java library) |
| STIL | Scientific and Technical Information, Limited (NASA) |
| STIL | SID (Sound Interface Device) Tune Information List (music database) |
| STIL | Société des Transports Intercommunaux de Liège (French: Public Transport Company of Liege; Belgium) |