William Casey (1932 – 3 December 2016) was an Irish Gaelic footballer.
His league and championship career at senior level with the Mayo county team spanned thirteen seasons from 1951 to 1964.
[1] Casey first came to prominence on the inter-county scene at the age of eighteen when he was a key member of the Mayo junior team.
He won an All-Ireland medal in 1951 before being promoted to the senior grade the following year.
Over the course of the next thirteen seasons he became a regular member of the starting fifteen and won one Connacht medal and one National Football League medal as a member of the extended panel.