| David John Horadam | |
| Birth Name: | David John Horadam[1] |
| Birth Date: | 1883[2] |
| Birth Place: | Glendon, New South Wales |
| Death Date: | [3] |
| Death Place: | Toowoomba, Queensland |
| Occupation: | Carpenter |
| School: | Roughit Public School |
| Ru Position: | prop |
| Repyears1: | 1913 |
| Repteam1: | Wallabies |
| Repcaps1: | 1 |
| Reppoints1: | 0 |
David John Horadam (1883 - 5 May 1915) was a rugby union player who represented Australia.
Horadam, a prop, was born in Glendon, New South Wales and claimed 1 international rugby cap for Australia.