Ezra Matthew Miller (born September 30, 1992) is an American actor. Their feature film debut was in Afterschool (2008), which they followed by starring in the dramas We Need to Talk About Kevin (2011) and The Perks of Being a Wallflower (2012).

After a supporting role in the comedy Trainwreck (2015), Miller played Credence Barebone in the Fantastic Beasts fantasy films Fantastic Beasts and Where to Find Them (2016), Fantastic Beasts: The Crimes of Grindelwald (2018), and Fantastic Beasts: The Secrets of Dumbledore (2022). In 2020, they had a recurring role on the miniseries The Stand. Miller played the Flash in the DC Extended Universe, including in the films Justice League (2017) and The Flash (2023).