The Institute for Language and Speech Processing (ILSP / "Athena" R.C.) is a research institute that operates under the auspices of the General Secretariat for Research and Technology of the Greek Ministry of Education and Religious Affairs.

It is one of the institutes of Athena Research and Innovation Center in Information, Communication and Knowledge Technologies. 

ILSP is active in the field of Language Technology and Cultural Technology. Its running aim is to be a centre of excellence in basic and applied research in human language technologies.

ILSP is based in Athens, Greece and in Xanthi (Thrace region).

The Cultural and Educational Technology Institute (CETI) was merged to ILSP in March 2012.