| William Sexton | |
| Full Name: | William J. Sexton |
| Birth Date: | 21 July 1959 |
| Relatives: | Johnny Sexton (nephew) |
| Position: | Flanker |
| Repyears1: | 1984–88 |
| Repcaps1: | 3 |
| Reppoints1: | 0 |
William J. Sexton (born 21 July 1959) is an Irish former rugby union international.
Sexton, a native of Listowel, County Kerry, attended Castleknock College in Dublin.[1]
A flanker, Sexton played for Garryowen and Munster. He earned three Ireland caps, debuting against Australia at Lansdowne Road in 1984, with further appearances in 1988 against Scotland and England.[2]
Sexton, uncle of Ireland player Johnny Sexton, formerly owned Sexton's bar on Henry Street in Limerick.[3] [4]