| Wally Cobb | |
| Birth Name: | Walter George Cobb[1] |
| Birth Date: | 20 November 1870[2] |
| Birth Place: | Newcastle, NSW |
| Death Date: | c. 1933 |
| Ru Position: | fullback |
| Repyears1: | 1899 |
| Repteam1: | Australia |
| Repcaps1: | 2 |
| Reppoints1: | 0 |
Walter George Cobb (20 November 1870 – 14 October 1933) was a rugby union player who represented Australia.
Cobb, a fullback, was born in Newcastle, NSW and claimed a total of 2 international rugby caps for Australia. His debut game was against Great Britain, at Sydney, on 5 August 1899.