Ľ. Štúr Institute of Linguistics of the Slovak Academy of Sciences is a primary research institution in the Slovak Republic.

It is named after Ľudovít Štúr, the most important leader of the Slovak national revival.

As of 2025, the Institute consists of 6 research departments:[1] The most important publications are as follow: Territorial differentiation of Slovak dialects within the Slovak territory as well as Slavic countries and the Carpathian area Confrontational research of the Slavic languages vocabulary Another core activity is the publication of science and popular science periodicals: