Luke Mathew Waterfall (born 30 July 1990) is an English professional footballer who plays as a centre-back for National League club Hartlepool United.

Born in Sheffield, South Yorkshire,[5] Waterfall started his career with Barnsley and was a regular for their youth and reserve teams in the 2007–08 season.

[18] Waterfall signed for newly relegated League Two club Scunthorpe United on 4 June 2013 on a one-year contract for an undisclosed fee.

[19] On 5 August 2014, he moved to League Two Macclesfield Town on a one-month loan,[20] with manager John Askey requiring him to cover during the search for a new defender, with several trialists failing to be up to his standard.

[24] Wrexham approached him late into negotiations with two unnamed clubs, causing Waterfall to "make an easy decision" by signing for The Dragons.

[35] Ian Holloway was replaced as manager by Paul Hurst, but neither could prevent Grimsby from being relegated back to the National League at the end of the 2020–21 season.

[36] On 28 May 2022, Waterfall scored twice including a 119th minute winner in extra-time of the semi-final play-off against Wrexham at the Racecourse Ground, helping Grimsby win 5–4 to reach the final.

[40] Waterfall was part of the Grimsby team that reached the FA Cup quarter-finals for the first time since 1939, mirroring the progress he made with Lincoln in 2016.