| Charles Graham | |
| Birth Name: | Charles Sydney Graham[1] |
| Birth Date: | 26 August 1868 |
| Birth Place: | Castlereagh, New South Wales |
| Ru Position: | hooker |
| Repyears1: | 1899 |
| Repteam1: | Australia |
| Repcaps1: | 1 |
| Reppoints1: | 0 |
Charles Sydney Graham (26 August 1868 – 8 September 1943) was a rugby union player who represented Australia.
Graham, a hooker, was born in Castlereagh New South Wales and claimed one international rugby cap for Australia. His debut game was against Great Britain, at Brisbane, on 22 July 1899.