Derek McGrath (born 30 May 1976) is an Irish retired hurler who played as a centre-forward for the Waterford senior team.

He arrived on the inter-county scene at the age of sixteen when he first linked up with the Waterford minor team, before later lining out with the under-21 side.

In 2008 McGrath was a member of the extended panel of the De La Salle team that reached the county championship decider.

[5] In 2008 McGrath was in charge of the De La Salle College side that set out to defend their provincial and All-Ireland crowns.

A 1–11 to 0-7 trouncing of Thurles CBS gave De La Salle College a second successive Harty Cup title.

The replay was also a close affair with McGrath's De La Salle College claiming a narrow 2–9 to 2–8 victory.

[7] As his club career was coming to an end, McGrath took charge of the De La Salle senior hurling team.