William J. "Willie" Meagher (born 1895) was an Irish hurler who played as a right corner-back for the Kilkenny senior team.Meagher made his first appearance for the team during the 1918 championship and was a regular player for much of the next decade. During that time he won two Leinster medals, however, an All-Ireland winners' medal eluded him.Meagher enjoyed a successful club career with Tullaroan, winning four county championship medals.Meagher was a member of a famous Gaelic games dynasty.