| Rajah Martheze | |
| Birth Name: | William Charles Martheze |
| Birth Date: | 29 November 1877 |
| Birth Place: | Robben Island, Cape Colony |
| Ru Position: | Forward |
| Repteam1: | South Africa |
| Repyears1: | 1903 |
| Repcaps1: | 3 |
| Reppoints1: | 0 |
| Ru Ntupdate: | 3 June 2019 |
| Ru Province1: | Griquas |
| Ru Provinceyears1: | ? |
| Ru Provinceapps1: | ? |
| Ru Provincepoints1: | ? |
| School: | Kimberly Boys High |
Rajah Martheze (29 November 1877 – 16 February 1912)[1] was a South African international rugby union player who played as a forward.
He made 3 appearances for South Africa from 1903 - 1906.[2]