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