| Johnny Mortimer | |
| Fullname: | Johnathan McCormick Mortimer |
| Birth Date: | 5 December 1923 |
| Birth Place: | Birkenhead, England |
| Death Place: | Wrexham, Wales |
| Position: | Full-Back |
| Years1: | 1946–1949 |
| Clubs1: | Wrexham |
| Caps1: | 23 |
| Goals1: | 0 |
| Years2: | 1949–1951 |
| Clubs2: | New Brighton |
| Caps2: | 5 |
| Goals2: | 0 |
| Clubs3: | Ellesmere Port Town |
Johnathan McCormick "Johnny" Mortimer (5 December 1923 – July 2013) was an English professional footballer who played as a defender. He made appearances in the English football league with Wrexham and New Brighton.[1]