Princess Beatrice, Mrs Edoardo Mapelli Mozzi (Beatrice Elizabeth Mary; born 8 August 1988), is a member of the British royal family. She is the elder daughter of Andrew Mountbatten Windsor and Sarah Ferguson, and a niece of King Charles III. Born fifth in the line of succession to the British throne, she is ninth as of 2025.

Beatrice was educated at St George's School, Ascot, before reading history at Goldsmiths, University of London, where she graduated with a bachelor's degree. She has held roles at the Foreign Office and Sony Pictures, and currently serves as Vice-President of Strategic Partnerships at the software company Afiniti. In addition to her professional work, she supports several charitable organisations, including the Teenage Cancer Trust and Outward Bound.

In 2020, Beatrice married Edoardo Mapelli Mozzi, an English-born property developer with descent from Italian nobility. The couple have two daughters.

Beatrice was born at 8:18 pm on 8 August 1988 at the Portland Hospital in London to the then Duke and Duchess of York. She is the fifth grandchild of Queen Elizabeth II and Prince Philip, Duke of Edinburgh. She was baptised in the Chapel Royal at St James's Palace on 20 December 1988. Her godparents were Viscount Linley (her father's cousin, now the 2nd Earl of Snowdon); the Duchess of Roxburghe (now Lady Jane Dawnay); Peter Palumbo (now Lord Palumbo); Gabrielle Greenall (the Hon. Mrs John Greenall); and Carolyn Cotterell. Her name, an unexpected^{[by whom?]} choice, was not announced until almost two weeks after her birth. Her younger sister, Princess Eugenie, was born in 1990.

Beatrice's parents divorced amicably when she was seven years old and agreed to joint custody of their two children. After the divorce, the Queen provided her parents with £1.4 million to set up a trust fund for her and Eugenie. Beatrice and her sister frequently travelled abroad, always with one or both of their parents.

Beatrice began her early education at the independent Upton House School in Windsor, in 1991. She and her sister then attended the independent Coworth Park School (now Coworth Flexlands School). Beatrice continued her education at the independent St George's School in Ascot, where she was a pupil from 2000 to 2007. She was diagnosed with dyslexia at the age of seven and went public with the diagnosis in 2005, delaying sitting her GCSE exams for one year. She remained at St George's to take her A-Levels, achieving an 'A' in drama, a 'B' in history, and a 'B' in film studies. She was elected Head Girl in her final year, and was a member of the school choir. Beatrice celebrated her 18th birthday with a masked ball at Windsor Castle in July 2006. Count Nikolai von Bismarck photographed her official birthday portrait.

In September 2008, Beatrice started a three-year course at Goldsmiths, University of London to read history and history of ideas, graduating in 2011 with a BA (2:1 degree).

During the summer of 2008, Beatrice obtained work experience as a sales assistant at Selfridges. She also worked unpaid in the Foreign Office's press office for a period of time. It was also reported in 2008 that Beatrice was interested in pursuing a career with the Financial Times website. Beatrice was the first member of the family to appear in a non-documentary film when she had a small, non-speaking role as an extra in The Young Victoria (2009), based on the accession and early reign of her ancestor Queen Victoria. For a while, she was a paid intern at Sony Pictures, but she resigned after the hacking incident which affected Sony Group in late 2014.