Andrew James Matfin Bell (born March 14, 1986) is an English actor. He rose to prominence for his debut role in Billy Elliot (2000), for which he won the BAFTA Award for Best Actor in a Leading Role, becoming one of the youngest winners of the award. He is also known for his leading roles as Tintin in The Adventures of Tintin (2011) and as Ben Grimm/Thing in Fantastic Four (2015).

Other notable performances include in the films King Kong (2005), Jumper (2008), Snowpiercer (2013), Rocketman (2019), and All of Us Strangers (2023). He earned a second BAFTA Award nomination for his leading performance in Film Stars Don't Die in Liverpool (2017). In television, Bell starred as Abraham Woodhull in the AMC historical drama series Turn: Washington's Spies (2014–2017).