| George Mackay | |
| Birth Name: | George Arthur Mackay[1] |
| Birth Date: | 7 May 1906 |
| Birth Place: | Sydney |
| Death Date: | 7 May 1981[2] |
| Death Place: | Canberra |
| School: | Newington College |
| Ru Position: | Fullback |
| Repyears1: | 1926 |
| Repteam1: | Wallabies |
| Repcaps1: | 1 |
| Reppoints1: | 0 |
George Arthur Mackay (7 May 1906 – 7 May1981) was a rugby union player who represented Australia. He was born in Sydney, and attended Newington College (1919–1922).[3] Mackay was a fullback and claimed one international rugby cap for Australia in 1926.[4] In later years he lived in Canberra and he died in Royal Canberra Hospital on his 75th birthday.