| Jack Warner | |
| Fullname: | John Warner |
| Birth Date: | 1898 |
| Birth Place: | Woolwich, England |
| Death Place: | Greenwich, England |
| Height: | [1] |
| Position: | Inside forward |
| Years1: | 1919–1920 |
| Caps1: | 0 |
| Goals1: | 0 |
| Years2: | 1920–1926 |
| Caps2: | 76 |
| Goals2: | 15 |
| Years3: | 1926–1930 |
| Caps3: | 110 |
| Goals3: | 22 |
| Years4: | 1930–1932 |
| Caps4: | 57 |
| Goals4: | 2 |
| Totalcaps: | 243 |
| Totalgoals: | 39 |
John Warner (1898 – 23 August 1950) was an English professional association footballer who played as an inside forward.