| Ernie Eiffler | |
| Fullname: | William Ernest Eiffler |
| Birth Date: | 4 November 1925 |
| Birth Place: | Youanmi, Western Australia |
| Death Place: | Palmyra, Western Australia |
| Originalteam: | Subiaco |
| Height: | 179 cm |
| Weight: | 67 kg |
| Statsend: | 1945 |
| Years1: | 1945 |
| Games Goals1: | 3 (0) |
William Ernest Eiffler (4 November 1925 – 2 June 2014) was an Australian rules footballer who played with Collingwood in the Victorian Football League (VFL).[1]