Pillai
Pillai may refer to:
- Pillai (Kerala title), a title of nobility used by Nairs of Kerala, India
 - Pillai of Pallichal, a title of the order of nobility in the former Travancore monarchy of India
 - Pillai (surname), a surname used by certain peoples in Tamil Nadu, Kerala, and Sri Lanka
 - Pillai (Tamil surname), a Tamil surname in Tamil Nadu and parts of Sri Lanka, traditionally associated with the Vellalar community
 
See also
- Pilai, a Finnish bagpipe