| Subject | QS | THE | ARWU | U.S. News |
|---|---|---|---|---|
| Energy Science & Engineering | — | — | #34 | — |
| Nanoscience & Nanotechnology | — | — | #51-75 | — |
| Materials Science | #110 | — | #101-150 | — |
| Chemistry | #164 | — | #101-150 | — |
| Chemical Engineering | #201-250 | — | #101-150 | — |
| Engineering & Technology | #240 | #151-175 | — | — |
| Natural / Physical Sciences | #229 | #176-200 | — | — |
| Electrical & Electronic Engineering | #201-250 | — | — | — |
| Mechanical & Aerospace Engineering | #201-250 | — | — | — |
| Physics & Astronomy | #201-250 | — | #301-400 | — |
| Earth & Geosciences | — | — | #201-300 | — |
| Life Sciences & Medicine | — | #201-250 | — | — |
| Biological Sciences | #301-350 | — | — | — |
| Computer Science | #551-600 | #301-400 | — | — |
| Environmental Science | #401-450 | — | #401-500 | — |
| Business & Economics | — | #401-500 | — | — |
Ulsan National Institute of Science and Technology ranks #310 in QS 2026, #301-400 in ARWU 2025 and #403 in U.S. News 2026. Its consensus position across the major rankings is #360 globally.