CHAUNY, a town of France, in the department of Aisne, 20 miles W.N.W. of Laon, situated partly on the right bank of the Oise and partly on an island at the commencement of the canal of St Quentin. It has some trade in cider, linen cloth, and hosiery, and is a depot for coals from Flanders and glass mirrors from St Gobain. Population in 1872, 8831.