Henrietta Maria Wentworth, 6th Baroness Wentworth (11 August 1660 – 23 April 1686) was an English peeress. Henrietta Maria Wentworth was born as the only child of Thomas Wentworth, 5th Baron Wentworth, and his wife, Philadelphia Carey. Henrietta spent her early years at the family home, Toddington Manor, Bedfordshire. When her father died in 1665, she became heir presumptive to her grandfather, Thomas Wentworth, 1st Earl of Cleveland. On his death two years later, she inherited the barony of Wentworth.