Harshdeep Kaur (born 16 December 1986) is an Indian playback singer known for her Bollywood Hindi, Punjabi, English and Sufi songs.

She has worked with leading music directors[2] (including A R Rahman, Pritam Chakraborty, Vishal–Shekhar, Salim–Sulaiman, Shankar–Ehsaan–Loy, Amit Trivedi, Shantanu Moitra, Tanishk Bagchi, Himesh Reshammiya, Sanjay Leela Bhansali, Sohail Sen.[citation needed] She's one of the very few Indian singers to have sung for a Hollywood film.

Her track R.I.P., composed by AR Rahman, was a part of Oscar-winning director Danny Boyle's film 127 Hours.

Some of her popular songs include Katiya Karun from Rockstar; Dilbaro from Raazi; Heer from Jab Tak Hai Jaan; Ik Onkar from Rang De Basanti; Zaalima from Raees; Nachde Ne Saare from Baar Baar Dekho; Bari Barsi from Band Baaja Baaraat; Kabira from Yeh Jawaani Hai Deewani; Jugni ji from Cocktail; and Twist Kamariya from Bareilly ki Barfi.

She competed from the Sufi Ki Sultan genre with Rahat Nusrat Fateh Ali Khan as her mentor.

[11] Kaur married her childhood friend Mankeet Singh in a traditional Sikh wedding ceremony on 20 March 2015 in Mumbai.