Emma Zia D'Arcy (born 27 June 1992) is an English actor. They are known for their roles in the BBC drama Wanderlust (2018), the Amazon Prime series Truth Seekers (2020), and the HBO fantasy series House of the Dragon (2022–), the latter of which earned them critical acclaim and a Golden Globe Award nomination.

Early life
D'Arcy was born in the North London Borough of Enfield. In year six, they played Titania in a school production of A Midsummer Night's Dream, which they credit for introducing them to acting. They studied Fine Art at the Ruskin School of Art through St Edmund Hall, Oxford, graduating in 2011. During their time at university, D'Arcy took up theatre on the side with their friends, beginning as a set designer before moving into acting and directing.