Rosamond Mary Monckton, Baroness Monckton of Dallington Forest, (born 26 October 1953) is an English businesswoman and charity campaigner.
Rosa Monckton was born on 26 October 1953 to Gilbert Monckton, 2nd Viscount Monckton of Brenchley, and Marianna, Viscountess Monckton of Brenchley (). The only daughter of five siblings, her elder brother is Christopher, a journalist, public speaker, and outspoken climate change denier. Monckton was educated at the Ursuline Convent in Tildonk, Belgium.
She is married to the journalist Dominic Lawson (son of Conservative politician Nigel Lawson and brother of the food writer Nigella Lawson). They have two daughters, Domenica and Savannah. Domenica has Down syndrome; her godmother was Monckton's friend Diana, Princess of Wales. Monckton had a stillbirth in 1994, the baby was buried in a garden on the grounds of Kensington Palace with Diana's help.
Monckton was appointed Member of the Order of the British Empire (MBE) in the 2017 Birthday Honours for voluntary and charitable services to people with learning disabilities and their families in the UK and abroad. She was nominated for a life peerage by Prime Minister Rishi Sunak and was created Baroness Monckton of Dallington Forest, of Earlsdown in the County of East Sussex, on 12 March 2024.
In 2017, Monckton wrote for The Spectator arguing for learning-disabled people to be able to work for pay lower than the minimum wage, citing 1.3 million unemployed people of 1.4 million people with learning disabilities in the UK. This article was criticised by some in the disability rights movement.
In 2025 she tabled an amendment to the Crime and Policing Bill during its passage through the House of Lords, aiming to remove clause 208, which if passed will change the criminal law so it would no longer be illegal for a woman to perform her own abortion at any point up to and during birth.
Rosa Monckton is a fundraiser and supports several charities relating to children and Down syndrome.
The charities include: