Gayatri Devi (born as Princess Gayatri Devi of Cooch Behar; 23 May 1919 - 29 July 2009), was the third Maharani consort of Jaipur from 1940 to 1949 through her marriage to Maharaja Sawai Man Singh II. Following her husband's signature for the Jaipur State to become part of the Union of India and her step-son's accession to the throne in 1970, she was later known as 'Maharani Gayatri Devi, Rajmata of Jaipur.