Kangana was born on 20 March 1987 in Bhambla, near Manali, which is in the Mandi district of Himachal Pradesh. Her dad's name is Amardeep, who is a businessman and contractor, her mom, Asha, is a school-teacher. She has two sisters, eldest one is Rangoli, and she has a brother, Akshit, who is about a year younger than her. Her grandfather was an IAS Officer. Kangana spent her childhood in Dehra Dun and studied in DAV's High School where she participated in many debates, Elocutions, and was a basket-ball player.
After completing her schooling, she attended Science College in Simla. She was enrolled in the Elite School of Modeling, and also tried some theater acting in Delhi and was a member of the Smita Theater Group under Arvind Gaur. She is also a trained Kathak dancer.