Kieran Thomas Green (born 30 June 1997) is an English professional footballer who plays as a central midfielder for EFL League Two club Grimsby Town. He began his career as a professional for Hartlepool United, but would go on to appear at Non-league level for Spennymoor Town, Frickley Athletic, Gateshead, Blyth Spartans and York City. He joined FC Halifax Town in 2020, where he was part of the team who reached the National League play-offs. He returned to professional football by signing for Grimsby in July 2022.