Adam Nicolson, 5th Baron Carnock, FRSL, FSA (born 12 September 1957) is an English author who has written about history, landscape, great literature and the sea.
He is noted for his books Sea Room (about the Shiant Isles, a group of uninhabited islands in the Hebrides); God's Secretaries: the making of the King James Bible; Sissinghurst: an Unfinished History (describing his attachment to his family home and his plans to transform the landscape there); and The Mighty Dead (US title:Why Homer Matters) exploring the epic Greek poems as a powerful voice both in his own life and in European culture.