James Tuchet, 7th Earl of Castlehaven; 17th Baron Audley; 5th Baron Audley of Hely (15 April 1723 - 6 May 1769) was the son of James Tuchet, 6th Earl of Castlehaven and his wife née Elizabeth Arundell.

He succeeded his father as Earl of Castlehaven, Baron Audley, and Baron Audley of Hely on 12 October 1740.

He was unmarried, and succeeded by his brother, John.

{| border="2" align="center" |- |width="30%" align="center"|Preceded by:
James Tuchet |width="40%" align="center"|Earl of Castlehaven |width="30%" align="center"|Followed by:
John Tuchet |}