Bhai Nirmal Singh Khalsa (12 April 1952 – 2 April 2020) was a Sikh Hazoori Ragi of Darbar Sahib in Amritsar, Punjab, India.

Bhai Nirmal Singh was born on 12 April 1952 at Jandwala Bhimeshah in Fazilka, Punjab.^[1] In 1976, he graduated with a Diploma in Gurmat Sangeet from Shaheed Missionary College, Amritsar. In 1977–78, he served as a music teacher at Gurmat College in Rishikesh and later taught at Shaheed Sikh Missionary College in Sri Ganganagar, Rajasthan. From 1979, he started serving as a Hazoori Ragi at Darbar Sahib. He had performed Kirtan at all five Takhts, various historical Gurdwaras across South Asia and throughout 71 countries. Bhai Sahib was a highly regarded ragi with knowledge of all 31 Raags of Guru Granth Sahib.

For services in the field of arts, Bhai Nirmal Singh Khalsa was awarded the Padma Shri,^[2] fourth highest civilian award in the Republic of India in 2009.^[3] He was the first Hazoori Ragi to receive this award.

On 2 April 2020, Nirmal Singh Khalsa died due to cardiac arrest after testing positive for Coronavirus disease 2019, at Guru Nanak Dev Hospital in Amritsar.^[4] His body was cremated at village Fatehgarh Shukarchak in Amritsar.