Sonal Singh Chauhan is an Indian fashion model and actress. She was born in Bulandshahr, Uttar Pradesh, India to a Hindu Rajput family, originally hailing from the state of Uttar Pradesh/UP. Her father is a police inspector, and she has one elder brother and two younger sisters. She studied at Delhi Public School, NOIDA and then Philosophy honors at Gargi College in New Delhi.

She was Indian to be crowned as the Miss World Tourism 2005 at Miri, Sarawak state of Malaysia. She was a noteworthy former Miss India contestant. She is the first Indian to have claimed Miss World Tourism title. She has been a popular model of Delhi, and has appeared in a number of advertisement campaigns in print and electronic media. She appeared in the ads of brands like Ponds and Nokia. She also appeared on the cover page of FHM magazine.

She made her debut in Mukesh Bhatt's Jannat paired opposite Emraan Hashmi. She played the character of girl called Zoya who works in a call center. She is the love interest of Emraan Hashmi, a bookie. Sonal has also been signed by Mukesh Bhatt for Raaz 2, a sequel to the 2002 movie Raaz.She has signed a three film deal with Vishesh Films. Being a model for two years, having an experience of various ramp shows and print campaigns for big brands like LG, Reliance CDMA, Hero Honda Passion, Nokia, Hindustan Times, Delhi Times, and many more.

She has also signed a Telugu movie called Rainbow casting Rahul and Sindhu Menon, and movie is being directed by V.N.Adithyas.