Rosamond Mary Monckton, Baroness Monckton of Dallington Forest, MBE (born 26 October 1953) is an English businesswoman and charity campaigner.

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Rosa Monckton was born on 26 October 1953 to Gilbert Monckton, 2nd Viscount Monckton of Brenchley, and Marianna, Viscountess Monckton of Brenchley (née Bower).^[1][2] The only daughter of five siblings,^[3] her elder brother is Christopher, a journalist, public speaker, and outspoken climate change denier. Monckton was educated at the Ursuline Convent in Tildonk, Belgium.^[1]

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.^[4] Monckton had a stillbirth in 1994, the baby was buried in a garden on the grounds of Kensington Palace with Diana's help.^[5]

In 2017, Monckton wrote for The Spectator arguing for learning-disabled people to be able to work for less pay than minimum wage, citing 1.3 million unemployed people of 1.4 million people with learning disabilities in the UK.^[6] This article was criticised by some in the disability rights movement.^[7]

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.^[8][9] She was nominated for a life peerage by Prime Minister Rishi Sunak^[10] and was created Baroness Monckton of Dallington Forest, of Earlsdown in the County of East Sussex, on 12 March 2024.^[11]

Rosa Monckton is a fundraiser and supports several charities relating to children and Down syndrome.

The charities include:

• The Acorns Children's Hospice for the care of life limited children in the heart of England
• Downside Up a Down syndrome charity in Russia
• The Down's Syndrome Educational Trust based in Portsmouth, England which through research provides education, information and training to promote the development of children with Down syndrome
• Kids (charity), a disabled children's charity based in England. KIDS helps in developing and improving the lives of disabled children
• The Bulgarian Abandoned Children's Trust, a British charity dedicated to helping disabled and disadvantaged children in Bulgaria and campaigning for an end to the use of institutional care
• Team Domenica, a charity named after her daughter which supports young adults with learning disabilities to find employment^[12]