Nagar can refer to:
- Nagar - A city in ensient times
- Nagar - Ahmednagar, Maharashtra State in India
- -nagar, a term that means settlement in Sanskrit and other Indo-Aryan languages.
- the Nagar Valley in northern Pakistan.
- Nagar, Pakistan, a town in northern Pakistan.
- Nagar (princely state), a former autonomous princely state in northern Pakistan.
- Nagar, Syria, an ancient city in Syria.
- Nagar, Rajshahi Division, a town in Bangladesh.
- Nagar, Barisal Division, a town in Bangladesh.
- Nagar, Rajasthan, a town in Rajasthan, India.
- Nagar Gujjars, a subcaste of the Gujjar ethnic group in South Asia.
- Nagar Brahmins, a subcaste in Hinduism.