Siang

Siang may refer to:


 * Xiang River, a tributary of the Yangtze
 * Brahmaputra River, known as Siang in Arunachal Pradesh, India; it gives its name to the following districts:
 * East Siang District
 * Siang District
 * West Siang District
 * Upper Siang District
 * Siang District