| Alf Catlin | |
| Fullname: | Alfred Ernest Catlin |
| Birth Date: | 18 August 1875 |
| Birth Place: | Collingwood, Victoria |
| Death Place: | Richmond, Victoria |
| Originalteam: | Maryborough |
| Height: | 173 cm |
| Weight: | 72 kg |
| Statsend: | 1899 |
| Years1: | 1899 |
| Games Goals1: | 9 (4) |
Alfred Ernest Catlin (18 August 1875 – 13 September 1944) was an Australian rules footballer who played for the Collingwood Football Club in the Victorian Football League (VFL).[1]