Nayara Energy (pronounced na-yaa-raa -ˈnæ.ˈjɑː rə) (listenⓘ) is an oil refining and marketing company that owns and operates Vadinar refinery located at Vadinar, Gujarat, India with a capacity of 20MMTPA,[4] making it the second largest in India.

[5] Nayara Energy operates the second-largest refinery in India.

It is in Vadinar, Devbhoomi Dwarka District, a few kilometres from the world's largest refining complex (Jamnagar Refinery of Reliance Industries).

[citation needed] It was a publicly traded company (NSE: ESSAROIL and BSE: 500134) until it was taken private in a leveraged buyout which closed on 30 December 2015.

[6][7] It operates over 6600 retail fuel outlets in the country, highest for any private oil company in India.