Nayanar can refer to:
- Nayanars, Shaivite saints from Tamil Nadu, India.
- Nayanar (Nair Subcaste), an honorific title used by certain clans of Nair caste from the north Malabar region of Kerala, India.
- Nayanar, title used by Isai Vellalar of Tamil Nadu
- E. K. Nayanar, former chief minister of Kerala
Nayanar is an honorific title used among certain clans of Nairs in the North Malabar region of Kerala. Men of these clans were mainly chiefs of fiefdoms, and formed the aristocracy and landed gentry of the area.