Tuchet is a surname, and may refer to:
- John Tuchet, 4th Baron Audley (1371–1408) (abeyance terminated 1408 (or 1403?))
- James Touchet, 5th Baron Audley (c. 1398–1459)
- John Tuchet, 6th Baron Audley (d. 1490)
- James Tuchet, 7th Baron Audley (c. 1463–1497) (forfeit 1497)
- John Tuchet, 8th Baron Audley (c. 1483–1558) (restored 1512)
- George Tuchet, 9th Baron Audley (d. 1560)
- Henry Tuchet, 10th Baron Audley (d. 1563)
- George Tuchet, 1st Earl of Castlehaven (circa 1551-1616), Baron Audley
- Mervyn Tuchet, 2nd Earl of Castlehaven (1593-1631), Baron Audley
- James Tuchet, 3rd Earl of Castlehaven (circa 1617-1684), Baron Audley of Hely
- Mervyn Tuchet, 4th Earl of Castlehaven (died 1686), Baron in the Peerage of England
- James Tuchet, 5th Earl of Castlehaven (died 1700), Baron in the Peerage of England
- James Tuchet, 6th Earl of Castlehaven (died 1740), Baron in the Peerage of England
- James Tuchet, 7th Earl of Castlehaven (1723-1769), Baron in the Peerage of England
- John Tuchet, 8th Earl of Castlehaven (1724-1777), Baron Audley
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