The LAK-9 Lietuva (English: Lithuania) was an open-class competition sailplane produced in the Soviet Union in the 1970s. It was based on the that had been produced in small numbers since 1972. Like it, the LAK-9 was a conventional sailplane design with a high-set cantilever wing and a conventional empennage. The landing gear consisted of a retractable monowheel and a tailwheel, and construction throughout was of fibreglass. The fourth batch to be produced was designated the LAK-9M (for "Modernised"), and a motorglider version was also produced.