Ramona Marquez (born 24 February 2001) is an English actress best known for her childhood role as Karen Brockman in the BBC One sitcom Outnumbered.

Marquez has also appeared in The King's Speech as Princess Margaret[7] and Arthur Christmas as the voice of Gwen.

[8] She played Charlotte in the independent film 7 Hours on Earth, made by students and staff at Graveney School, and released in 2020.

[citation needed] Marquez came out as bisexual in her contribution to the book Women Don't Owe You Pretty by Florence Given, published in June 2020.

[12] In 2019, it was reported that Marquez had started studying Spanish and Mandarin at the University of Manchester.