Peter Casey is an Irish hurler who plays as a right corner-forward for club side Na Piarsaigh and at inter-county level with the Limerick senior hurling team.
On 20 February 2016, he scored two points when Ardscoil Rís won the Harty Cup title after an 0–11 to 0–08 defeat of Our Lady's Secondary School from Templemore in the final.
On 11 October 2015, Casey was at left corner-forward when Na Piarsaigh defeated Patrickswell by 1–22 to 4–12 to win the Limerick Senior Championship.
[19] On 19 August 2018, Casey was introduced as a 63rd-minute substitute for Séamus Flanagan when Limerick won their first All-Ireland title in 45 years after a 3–16 to 2–18 defeat of Galway in the final.
[21] On 30 June 2019, Casey won a Munster Championship medal after top scoring with 1-05 from play in Limerick's 2–26 to 2–14 defeat of Tipperary in the final.
[23] On 28 April 2024, Casey suffered a broken ankle in the Munster Senior Hurling Championship victory over Tipperary which will rule him out for the rest of the year.