| Gerald Johnston | |
| Fullname: | Gerald Johnston |
| Birth Date: | 21 June 1891 |
| Guernsey: | 3 |
| Statsend: | 1914 |
| Years1: | 1914 |
| Games Goals1: | 11 (0) |
Gerald Johnston (21 June 1891 – 30 December 1968) was an Australian rules footballer who played with University in the Victorian Football League (VFL).