Miffy Englefield (born Rebecca Lauren P. Englefield, 20 March 1999 in Basingstoke, Hampshire, England) – British child actress, best known for playing Sophie (Jude Law's daughter) in The Holiday (2006) directed by Nancy Meyers, alongside Cameron Diaz, Kate Winslet, and Jack Black. She also appeared as Amelia Anderson in Casualty (2008–2010, 12 episodes), Ruby in The Whistleblowers (2007), and in the short film Beautiful Enough (2011). She stopped acting around 2011 and has since pursued music and other work. She has a daughter, Frankie, born in 2022.
