Dayang

Dayang may refer to:
 * Dayang (honorific), a Bruneian honorific
 * a dialect of Sema language, a Sino-Tibetan language
 * Dayang Jingxuan, a Buddhist monk during Song Dynasty of China
 * Dayang Island, an island in Johor, Malaysia
 * Dayang newt, a species of Salamander
 * Dayang Motorcycle, a division of Dayun Group
 * Dayang, the indigenous name of the heath mouse