ESSL (disambiguation)

ESSL may refer to:
 * European Severe Storms Laboratory, a non-profit organization dedicated to basic and applied research on severe convective storms
 * The ICAO code of Linköping/Saab Airport in Sweden
 * OpenGL ES Shading Language (GLSL ES), a set of versions of OpenGL Shading Language (GLSL) for use with OpenGL ES or WebGL