William Grimsey (born 14 December 1996) is a Scottish athlete specialising in the high jump.

[2] In 2021, Grimsey won the silver medal for Great Britain at the 2021 European Athletics Team Championships.

[3] In 2022, Grimsey represented Scotland at the 2022 Commonwealth Games, finishing in seventh place during the high jump event.

[4] He became British champion when winning the high jump event at the 2024 British Athletics Championships with a jump of 2.15 metres.

This biographical article relating to Scottish athletics is a stub.