The Space Research and Technology Institute (Bulgarian: Институт за космически изследвания и технологии, romanized: Institut za kosmicheski izsledvaniya i tekhnologii) of the Bulgarian Academy of Sciences is a primary research body in the field of space science in Bulgaria.
The mission of SRTI-BAS is to conduct fundamental and applied studies in the field of Space Physics, Remote Sensing of the Earth and Planets, and Aerospace Systems and Technologies.