Allah Jilai Bai was a folk singer from Rajasthan, India.
Born in Bikaner to a family of singers, by the age of 10 she was singing in the Durbar of Maharaja Ganga Singh. She took singing lessons from Ustad Hussain Baksh Khan and later on from Achhan Maharaj. At one time she sung in the court of Ganga Singh, the Maharajah of Bikaner.
She was well versed in Maand, Thumri, Khayal and Dadra. Perhaps her best-known piece is Kesaria Balam. In 1982, the Indian Government awarded her the Padma Shri in Arts field, one of the highest civilian awards. She was also given the Sangeet Natak Akademi Award in 1988 for Folk Music, and was posthumously awarded the Rajasthan Ratna in 2012.