James Alexander Russell Harris (born 16 May 1990) is a Welsh professional cricketer who is on the staff of Middlesex County Cricket Club. Harris is a right arm fast bowler and right-handed batsman. He was born in Morriston near Swansea in South Wales and played for Glamorgan as a teenager.
Harris was the youngest person ever to play for Glamorgan 2nd XI, aged 14 years and 353 days and the youngest person to have played for Wales Minor Counties, when he took 3/48 against the Netherlands. In 2006 he captained England Under-16s team and at the age of 15 signed up for Glamorgan.