People educated at Lady Margaret School

Janet Vera Street-Porter, CBE (née Bull; born 27 December 1946) is an English media personality, journalist and broadcaster. She was editor for two years of The Independent on Sunday, but relinquished the job to become editor-at-large in 2002.

Martha Maria Twisleton-Wykeham-Fiennes () is an English film director, writer and producer. Fiennes is best known for her film Onegin (1999), which starred her elder brother, Ralph, and her subsequent film Chromophobia (2005).

Mia Soteriou is a British musician and actress.

Louise Alder (born 25 November 1986) is a British lyric soprano. She won the Dame Joan Sutherland Audience Prize at the 2017 BBC Cardiff Singer of the World competition and the Young Singer award at the 2017 International Opera Awards. Her debut album of Strauss Lieder titled 'Through Life and Love' with pianist Joseph Middleton, was released in July 2017 with Orchid Classics.

Jill Saward, also known by her married name Jill Drake (14 January 1965 – 5 January 2017) was an English campaigner on issues relating to sexual violence.

Barbara Boxall (14 August 1932 – 14 March 2017) was the editor of Woman magazine from 1964 to 1975 when the publication was transitioning from covering mainly fashion, cooking, and homemaking to a wider range of issues of interest to women such as domestic violence and sex advice.

Kelly Hunter MBE (born 21 July 1963) is a British film, television, radio, stage and musical actress, a member of the Royal Shakespeare Company and the National Theatre. She is a Laurence Olivier Award nominee and Radio Academy Award and TMA Awards winner.

Jessica Kathryn Burton (born 17 August 1982) is an English author and actress. As of 2019, she has published four novels, The Miniaturist, The Muse, The Restless Girls, and The Confession. The Muse has been published in 38 languages. The first two were Sunday Times no.1 best-sellers, New York Times best-sellers, and Radio 4's Books at Bedtime. Her short stories have been published in Harpers Bazaar US and Stylist.

Laura Barnett (born 1982) is a British journalist and author.

Nadine Paula Ann Baylis (15 June 1940 - 3 November 2017) was a British stage and costume designer, who "set the standard for modern dance costume".