Mark Joseph Gillespie (born 27 March 1992) is an English professional footballer who plays as a goalkeeper for Premier League club Newcastle United.
Gillespie was part of the academy setup at Newcastle United before moving to Carlisle United in 2008, at the age of 16. He started at Carlisle as a youth team player before graduating to the reserve team.
On 3 July 2020, Newcastle United announced the signing of Gillespie on a three-year contract. He sent Newcastle through to the quarter finals of the EFL Cup after a 5-4 penalty win over Newport.