| Henry Alder | |
| Fullname: | Henry Hall Alder |
| Birth Date: | 6 April 1874 |
| Birth Place: | Brunswick, Victoria |
| Death Place: | Coburg, Victoria[1] |
| Originalteam: | Beverley[2] |
| Statsend: | 1902 |
| Years1: | 1902 |
| Games Goals1: | 1 (0) |
Henry Hall Alder (6 April 1874 – 17 May 1949) was an Australian rules footballer who played one game with Fitzroy in the Victorian Football League (VFL) in 1902.