TÜBİTAK Space Technologies Research Institute (Turkish: TÜBİTAK Uzay Teknolojileri Araştırma Enstitüsü) or TÜBİTAK UZAY for short, is a Turkish institution carrying out research and development projects on space technology, electronics, information technology, and related fields.

It was established in 1985, under the name "Ankara Electronics Research and Development Institute" within the campus of Middle East Technical University (ODTÜ) in cooperation with the Scientific and Technological Research Council of Turkey (Turkish: Türkiye Bilimsel ve Teknolojik Araştırma Kurumu, TÜBİTAK) and the university in Ankara.

The institute takes part in R&D projects and assists the aerospace industry in solving technical problems encountered during system design, selection and uses, product development, and manufacturing in above mentioned specialization areas.

TÜBİTAK UZAY focuses on the manufacturing and testing of small space satellites.

TÜBİTAK UZAY conducts its research and development activities in the following areas with a total of 235 staff members, out of which 151 are researchers and technical support personnel.