| William Morrissey | |
| Birth Name: | William Morrissey[1] |
| Birth Date: | circa 1889 |
| Birth Place: | Brisbane, Queensland |
| Ru Position: | prop |
| Repyears1: | 1914 |
| Repteam1: | Wallabies |
| Repcaps1: | 1 |
| Reppoints1: | 0 |
William Morrissey (born circa 1889) was a rugby union player who represented Australia.
Morrissey, a prop, was born in Brisbane, Queensland and claimed 1 international rugby cap for Australia.