IES
IES stands for
- Momentum conservation law
- Indole-3-acetic acid
- IES light data describing light in the format defined by the Illuminating Engineering Society
- Industrias Eduardo Sal-Lari , former Argentine automobile manufacturer
- Internationella Engelska Skolan , Swedish school authority
- Riesa-Göhlis airport (IATA code)
IES stands for:
- Johann Erich Schild (Johann Erich Schildt; Johann Erich Schilden; 1653–1717), mint master of princely Brunswick-Lüneburg and electoral Hanoverian chief chamberlain
- ie S. , abbreviation for "in the narrower sense"
