Maharaja Sawai Pratap Singh (2 December 1764 – 1 August 1803) was a Kachwaha ruler of Jaipur from 1778 to 1803. He has no relation to Pratap Singh, Maharana of Mewar. He was born on December 1764 and succeeded his father Madho Singh I. He was grandson of Maharaja Sawai Jai Singh II, founder of Jaipur. He is known for constructing Hawa Mahal.
Hawa Mahal was constructed by Maharaja Sawai Pratap Singh. Jaipur is always associated with Hawa Mahal.