| Barry McDonald | |
| Birth Name: | Barry Stuart McDonald[1] |
| Birth Date: | 9 June 1940 |
| Birth Place: | Wau, Papua New Guinea |
| Children: | Sascha, Mischa and Dashiel |
| Ru Position: | flanker |
| Repyears1: | 1969–70 |
| Repteam1: | Wallabies |
| Repcaps1: | 2 |
| Reppoints1: | 0 |
Barry Stuart McDonald (9 June 1940 – 1 January 2020[2]) was a Papua New Guinea-born Australian rugby union player who represented Australia.
McDonald, a flanker, was born in Wau, Papua New Guinea, in the province of Morobe and claimed a total of 2 international rugby caps for Australia.