| Syd de Melker | |
| Birth Name: | Sydney Clarence de Melker |
| Birth Date: | 31 March 1884 |
| Birth Place: | Kimberly, Cape Colony |
| Ru Position: | Centre |
| Repteam1: | South Africa |
| Repyears1: | 1903 - 1906 |
| Repcaps1: | 2 |
| Reppoints1: | 0 |
| Ru Ntupdate: | 3 June 2019 |
| Ru Province1: | Griquas |
| Ru Provinceyears1: | ? |
| Ru Provinceapps1: | ? |
| Ru Provincepoints1: | ? |
| School: | Kimberly Boys High |
Syd de Melker (31 March 1884 – 1 November 1953)[1] was a Cape Colony international rugby union player who played as a centre.
He made 2 appearances for South Africa from 1903 - 1906.[2] Married to notorious female serial killer, Daisy de Melker.