Tregwynt may refer to

• Tregwynt Mansion, a mansion in the parish of Granston, Pembrokeshire, Wales
• Tregwynt Hoard, a mid-17th century hoard of coins found at Tregwynt Mansion in Pembrokeshire, Wales
• Melin Tregwynt (Tregwynt Mill), a woolen mill in the hamlet of Tregwynt in Pembrokeshire, Wales

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