| Rank | Abbreviation | Meaning |
|---|
| ***** | LEES | La Escuelita Elementary School
| |
| ***** | LEES | Very Attractive Man/Woman
| |
| ***** | LEES | Low-Energy Electron Spectrometry
| |
| ***** | LEES | Local Excess-electron State (a Mol.-crystal Wave Function)
| |
| ***** | LEES | Lark Ellen Elementary School
| |
| **** | LEES | Lab for Electronic and Electromagnetic Systems
| |
| **** | LEES | Latching End Effectors
| |
| **** | LEES | Life Events Expert System
| |
| **** | LEES | Landscape, Ecology and Ecosystem Science
| |
| **** | LEES | Low Energy Electrodynamics in Solids
| |
| **** | LEES | Low Energy Electron Spectra
| |
| **** | LEES | Laboratory for Electromagnetic and Electronic Systems
| |
| *** | LEES | Laboratoire Ecologie, Evolution, Symbiose
| |