Matthew Jacob Grimes (born 15 July 1995) is an English professional footballer who plays as a midfielder for EFL Championship club Coventry City.

[4] In February 2014, Exeter City manager Paul Tisdale described Grimes as the best young player he had seen in his 8 years at the club praising his technical ability and reading of the game.

[5] On 18 April, away at Chesterfield's Proact Stadium, he scored his first professional goal for relegation-threatened Exeter, a deflected free kick in the 18th minute to open a 1–1 draw against the highly ranked opponents.

On 1 February, Grimes was called up a Swansea matchday squad for the first time, remaining an unused substitute as they won 1–0 away to Southampton.

[12] On 13 February 2016, Grimes joined Championship club Blackburn Rovers on a loan deal lasting until the end of the season,[13] making 12 appearances.

On 6 July, Grimes returned to the Championship, joining Leeds United on a season-long loan, signed by his former Swansea manager Garry Monk and assistant Pep Clotet.

In February 2025, the Football Association of Wales expressed an interest in selecting Grimes for international duty if eligibility rules changed to allow it.

[29] As a 15-year-old he was part of St Peter's AirBadgers Ultimate Frisbee team that won the Junior National Championships for the third year in a row in 2011.