Half Girlfriend is an Indian English coming of age, young adult romance novel by Indian author Chetan Bhagat. The novel, set in rural Bihar, New Delhi, Patna, and New York, is the story of a Bihari boy on a quest of winning over the girl he loves. This is Bhagat's sixth novel, which was released on 1 October 2014 by Rupa Publications. The novel has also been published in Hindi and Gujarati.