Principality of Serbia was the official name of Serbia from 1815 to 1882.
Principality of Serbia may also refer to:
- Principality of Serbia (early medieval), early medieval Serbian principality, during the 8th to 10th centuries
- Grand Principality of Serbia, medieval Serbian principality, from the 11th to the beginning of the 13th century
- Principality of Serbia (late medieval), late medieval Serbian principality, also known as Moravian Serbia (1371–1402)