James Rivett Carnac

Sir James Rivett-Carnac, 1st Baronet (11 November 1784 – 28 January 1846) was the Governor of the Bombay Presidency of British India from 1838 to 1841, during the period of Company Rule. His family name came about in 1801, when his father was made testamentary by his brother-in-law General John Carnac, husband of Elizabeth Rivett (1751–1780).

Born in Bombay in 1784, Carnac served the East India Company in India from 1801 and was a director of the Company for various periods between 1827 and 1838. He was elected a Fellow of the Royal Society in May 1838.

Rivett-Carnac was Member of Parliament (MP) for Sandwich from 1837 to 1839, and was made a baronet in 1836. He succeeded Robert Grant as Governor of Bombay Presidency after the latter's death on 9 July 1838.

Rivett-Carnac is the ancestor of the Rivett-Carnac baronets, of whom the most well-known member today is the bag designer Lulu Guinness (born 1960), daughter of the last baronet.