Mark-Francis Vandelli (born 14 October 1989) is an English television personality. He is best known for his role on the E4 series Made in Chelsea.
Mark-Francis was born on 14 October 1989 in London, England. He is the only son of Marzio Vandelli, an Italian businessman who formerly owned a tile factory, and Diane Boulting-Casserley Vandelli, a socialite and former model. Vandelli was educated at Hill House School and St Paul's School, and studied Art History at University College London.
In April 2011, Vandelli joined reality television programme Made in Chelsea as one of the original cast members.
In January 2016, Vandelli joined the third series of The Jump. He withdrew from the show on 9 February due to injury. In 2017, he starred in a Made in Chelsea spin-off entitled Mark-Francis' Big Night Out.
In 2023, Vandelli joined series 12 of Celebs Go Dating on E4.
In 2026, Vandelli joined the cast of the reality television series Ladies of London: The New Reign, which premiered on Bravo on March 5, 2026.
Vandelli resides in Knightsbridge, London in a townhouse formerly inhabited by Oscar Wilde. He is openly gay.