| Subject | QS | THE | ARWU | U.S. News |
|---|---|---|---|---|
| Theology & Religious Studies | #8 | — | — | — |
| Medicine / Clinical | #35 | — | #40 | #12 |
| Biological Sciences | #45 | — | #50 | #12 |
| Law | #46 | #14 | #51-75 | — |
| Dentistry | #23 | — | #15 | — |
| Psychology | #24 | #18 | #34 | #23 |
| Arts & Humanities | #47 | #20 | — | #34 |
| Public Administration | #26 | — | #21 | — |
| Sports Science | #26 | — | — | — |
| Communication & Media | #51-100 | — | #26 | — |
| Philosophy | #29 | — | — | — |
| Life Sciences & Medicine | #30 | #51 | — | — |
| Pharmacy & Pharmacology | #30 | — | #46 | #54 |
| Geography | #32 | — | #51-75 | — |
| Anatomy & Physiology | #33 | — | — | — |
| Mechanical & Aerospace Engineering | #34 | — | #101-150 | #58 |
| Agriculture & Forestry | #34 | — | #151-200 | #82 |
| Linguistics | #37 | — | — | — |
| Library & Information Science | #37 | — | — | — |
| Materials Science | #39 | — | #151-200 | #108 |
| Clinical & Health | — | #40 | — | — |
| History | #41 | — | — | — |
| Chemistry | #41 | — | #101-150 | #99 |
| Chemical Engineering | #42 | — | #48 | #83 |
| Nursing | #42 | — | #51-75 | — |
| Education | #46 | #47 | #101-150 | #42 |
| Social Sciences & Management | #68 | #45 | — | — |
| Architecture | #47 | — | — | — |
| Electrical & Electronic Engineering | #47 | — | #151-200 | #205 |
| Computer Science | #63 | #48 | #101-150 | #67 |
| Engineering & Technology | #60 | #50 | — | #93 |
| Artificial Intelligence | #51-100 | — | #51-75 | #82 |
| Civil Engineering | #51-100 | — | #101-150 | #109 |
| Mining & Mineral Engineering | #51-100 | — | — | — |
| Anthropology | #51-100 | — | — | — |
| Statistics | #51-100 | — | #51-75 | — |
| Economics & Econometrics | #61 | — | #51-75 | #81 |
| Mathematics | #76 | — | #51-75 | #117 |
| Food Science & Technology | — | — | #51-75 | #102 |
| Biotechnology | — | — | #51-75 | #78 |
| Business & Economics | — | #53 | — | — |
| Environmental Science | #54 | — | #101-150 | #101 |
| Political Science & IR | #59 | — | #101-150 | — |
| Modern Languages | #61 | — | — | — |
| Earth & Geosciences | #101-150 | — | #151-200 | #64 |
| Natural / Physical Sciences | #73 | #72 | — | — |
| Physics & Astronomy | #75 | — | #151-200 | #176 |
| Business & Management | #120 | — | #76-100 | — |
| Water Resources | — | — | #76-100 | — |
| Public Health | — | — | #101-150 | #80 |
| Polymer Science | — | — | — | #83 |
| Accounting & Finance | #87 | — | #101-150 | — |
| Sociology | #95 | — | #101-150 | — |
| English Language & Literature | #96 | — | — | — |
| Archaeology | #101-150 | — | — | — |
| Development Studies | #101-150 | — | — | — |
| Automation & Control | — | — | #101-150 | — |
| Biomedical Engineering | — | — | #101-150 | — |
| Metallurgical Engineering | — | — | #101-150 | — |
| Nanoscience & Nanotechnology | — | — | #151-200 | #160 |
| Energy Science & Engineering | — | — | #151-200 | #156 |
| Art & Design | #201-300 | — | — | — |
| Telecommunication Engineering | — | — | #201-300 | — |
| Veterinary Science | — | — | #201-300 | — |
KU Leuven ranks #60 in QS 2026, #46 in THE 2026, #76 in ARWU 2025 and #50 in U.S. News 2026. Its consensus position across the major rankings is #55 globally.