Henry Fromanteel Lytton-Cobbold (born 1962) is the current occupier of Knebworth House in Hertfordshire, England.
He is the son of David Antony Fromanteel Lytton-Cobbold, 2nd Baron Cobbold, and is heir to the Barony of Cobbold. He is married to Martha Boone, with two children, Morwenna Gray and Edward.
Trained as a screenwriter, Lytton-Cobbold was an assistant to the filming of The Shooting Party, part of which was filmed at Knebworth House, and subsequently worked on Water.[1] From 1987 until 1993, he lived in Los Angeles, and scripted several TV shows, including Lake Consequence.[2] He returned to England and lived in Knebworth village until 2000, when he took over the daily running of Knebworth House from his father.[1] He continued to practice his trade during this period, scripting Night of Abandon, an episode of the Red Shoe Diaries, in 1997.[2]