Teschen

Teschen may refer to:


 * Cieszyn, Poland, known as Teschen in German
 * Český Těšín, Czech Republic, a city split off from Cieszyn in 1920
 * Cieszyn Silesia, a geographic region spanning the Czech-Polish border
 * Duchy of Teschen, a historical region in Central Europe
 * Flag of the Duchy of Teschen
 * Teschen disease, a viral disease named after the town
 * Cieszyn Silesian dialect, a West Slavic dialect spoken in Cieszyn Silesia