| Sagaki Daisuke | Faculty of Pure and Applied Sciences | Associate Professor | Algebra - Representation Theory of Infinite-Dimensional Lie Algebras and Quantum Groups |
| Sakaguchi Aya | Faculty of Pure and Applied Sciences | Associate Professor | - stable/radio-isotope, environmental dynamics, chemical speciation |
| Sakai Ko | Faculty of Pure and Applied Sciences | Associate Professor | Theory of informatics - Theoretical Computer Science，Combinatorics, Combinatorics, Alebra, Logic |
| Sasa Kimikazu | Faculty of Pure and Applied Sciences | Associate Professor | Particle/Nuclear/Cosmic ray/Astro physics, Quantum beam science, General applied physics, Nuclear engineering, Environmental dynamic analysis, Geochemistry/Cosmochemistry - Accelerator Science, Accelerator Mass Spectrometry(AMS), Quantum Beam Science, Ion Beam Analysis, Radiation physics, Environmental Dynamic Analysis, Isotopic geochemistry and dating, Experimental Nuclear Physics |
| Sato Tomoo | Faculty of Pure and Applied Sciences | Associate Professor | Basic chemistry, Functional solid state chemistry - Photochemistry, Optical properties, Colloid Chemistry, Surface Chemistry |
| Shioya Masahiro | Faculty of Pure and Applied Sciences | Associate Professor | - Set Theory |
| Sorai Kazuo | Faculty of Pure and Applied Sciences | Associate Professor | |
| Suzuki Shugo | Faculty of Pure and Applied Sciences | Associate Professor | Condensed matter physics I - |
| Suzuki Yoshikazu | Faculty of Pure and Applied Sciences | Associate Professor | Inorganic industrial materials - |
| TAKEUCHI YUJI | Faculty of Pure and Applied Sciences | Associate Professor | Particle/Nuclear/Cosmic ray/Astro physics - Elementary particle experiment, Proton Anti-proton collider experiment, Top quark physics |
