| Korea Astronomy and Space Science Institute | |
| Native Name: | 한국천문연구원 |
| Acronym: | KASI |
| Size: | 240px |
| Headquarters: | Yuseong, Daejeon |
| Established: | September, 1974 |
| Administrator: | Park, Young Deuk (박영득)[1] |
| Seal: | KASI emblem.png |
| Seal Cap: | Emblem of KASI |
| Rr: | Hanguk Cheonmun Yeonguwon |
| Mr: | Han'guk Ch'ŏnmun Yŏn'guwŏn |
The Korea Astronomy and Space Science Institute (KASI) is the national research institute in astronomy and space science of South Korea funded by the South Korean Government. Its headquarters are located in Daejeon, in the Daedeok Science Town. Research at KASI covers main areas of modern astronomy, including Optical Astronomy, Radio Astronomy, Space Science, and Theoretical Astronomy. As of May 2024, KASI is an affiliated research institute of the Korea AeroSpace Administration.[2]