Matthew James John Critchley (born 13 August 1996) is an English cricketer, playing for Essex County Cricket Club having signed for them from Derbyshire County Cricket Club. He made his first-class debut on 3 May 2015 in the 2015 County Championship against Glamorgan. In his second game, he became the youngest player to score a century for Derbyshire. He made his Twenty20 debut on 21 May 2016 for Derbyshire against Lancashire Lightning in the 2016 NatWest t20 Blast.