| Stefan Niementowski | |
|---|---|
| Born | August 4, 1866 Zhovkva, Poland now Ukraine |
| Died | July 13, 1925 (aged 58) Warsaw, Poland |
| Nationality | Polish |
| Known for | Niementowski quinoline synthesis, Niementowski quinazoline synthesis |
Stefan Niementowski (August 4, 1866 – July 13, 1925 was a Polish chemist. He discovered the Niementowski quinoline synthesis and the Niementowski quinazoline synthesis.