| Honorific Prefix: | The Most Honourable |
| Office: | Member of the House of Lords |
| Status: | Lord Temporal |
| Term Label: | as a hereditary peer |
| Term Start: | 30 January 1994 |
| Term End: | 11 November 1999 |
| Predecessor: | The 4th Marquess of Normanby |
| Successor: | Seat abolished |
| The Marquess of Normanby | |
| Birth Date: | 24 February 1954 |
| Nationality: | British |
| Education: | Eton College |
| Alma Mater: | Worcester College, Oxford (BA) City University London |
| Occupation: | Landowner, novelist, poet |
| Spouse: | Sophie McCormick Nicola Shulman |
| Children: | 4 |
| Parents: | The 4th Marquess of Normanby Grania Guinness |
Constantine Edmund Walter Phipps, 5th Marquess of Normanby (born 24 February 1954), is a British peer, novelist, poet, and entrepreneur.
Lord Normanby is the son of Oswald Phipps, 4th Marquess of Normanby and the Hon. Grania Guinness, a member of the Guinness brewing family and a daughter of Walter Guinness, 1st Baron Moyne. He was educated at Eton, Worcester College, Oxford, and City University of London.
He succeeded to the marquessate and other titles upon the death of his father in 1994 and entered the House of Lords as a crossbencher. He lost his seat under the House of Lords Act 1999.[1]
Normanby lives in London and at Mulgrave Castle.
Normanby is the owner of the Mulgrave Estate and Mulgrave Castle, near Whitby, North Yorkshire. He is the founder of Mulgrave Properties LLP, a residential developer in Yorkshire. His indirect wealth includes a sizeable interest in property in West Vancouver, Canada, via British Pacific Properties Ltd of which he is a director. In 1998 he sold the 11000acres Warter Priory estate, near Pocklington, East Riding of Yorkshire, to businessman Malcolm Healey for a reported £48 million.[2]
Lord Normanby is chairman of the Normanby Charitable Trust which has a North Yorkshire focus. The trust has also supported Trinity College, Dublin, and Oxford University.
Before he was married, Normanby had a daughter with Sophie McCormick:[3]
In 1990, Normanby married the journalist and author Nicola Shulman, daughter of theatre critic Milton Shulman and sister of British Vogue editor Alexandra Shulman. They have three children:[4] [5]
Normanby is the author of three novels under the name Constantine Phipps: Careful with the Sharks (1985), Among the Thin Ghosts (1989), and What You Want (2014).