The Chahamanas of Ranastambhapura were a 13th-century Indian dynasty. They ruled the area around their capital Ranastambhapura (Ranthambore) in present-day Rajasthan, initially as vassals of the Delhi Sultanate, and later gained independence. They belonged to the Chahamana (Chauhan) clan of the Rajputs, and are also known as Chauhans of Ranthambore in vernacular Rajasthani bardic literature.

Ranthambore Fort lies within the Ranthambore National Park, near the city of Sawai Madhopur in Sawai Madhopur district of Rajasthan, India. the park being the former hunting grounds of the Maharajahs of Jaipur until the time of India's Independence. It is a formidable fort having been a focal point of the historical developments of Rajasthan. The fort is believed to be constructed by numerous kings from Several Dynasties including The Yadavas, Chahamana Rajputs, Hada Rajputs, Mewar Rajput Kings and then the Delhi Sultanate captured it for a brief time. The fort provides a panoramic view of the surrounding Ranthambore National Park and is now a popular tourist attraction.