The Windawski Canal (Lithuanian: Ventos–Dubysos kanalas; Russian: Виндавский канал, Vindavsky channel) is an abandoned canal connecting the Dubysa River near Bazilionai, Šiauliai district to the Venta River near Tolučiai Šaukėnų, Kelmė District of Lithuania.The canal was designed and built in the early 19th century as part of canal system to connect the Vistula River at the center of the Kingdom of Poland with the Baltic seaport of Ventspils.