William Henry O’Callaghan (1868 – 16 January 1946) was an Irish hurler who played as a forward for the Cork senior team.
In 1892 O'Callaghan captained the team to the All-Ireland title.
[1][2] At club level O'Callaghan was a one-time championship medalist with Redmond's.
[citation needed] Throughout his career O'Callaghan made just two championship appearances.
He retired from inter-county hurling following the conclusion of the 1893 championship.