| William D'Arcy | |
| Birth Date: | 1863 1, df=yes |
| Birth Place: | Ōrongorongo Valley, New Zealand |
| Death Place: | Wanganui, New Zealand |
| Full Name: | William Alexander D'Arcy |
William Alexander D'Arcy (30 January 1863 - 23 October 1940) was a New Zealand cricketer who played one first-class match for Taranaki. He was born in Ōrongorongo and died in Wanganui, aged 77.