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 the 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