| Jack Duthoit | |
| Fullname: | John Duthoit[1] |
| Birth Date: | 4 November 1918 |
| Birth Place: | Leeds, West Riding of Yorkshire, England |
| Death Date: | Q4 2001[2] |
| Death Place: | Boston, Lincolnshire, England |
| Height: | [3] |
| Position: | Full back |
| Years1: | –1945 |
| Clubs1: | Carlton United |
| Years2: | 1945–1946 |
| Clubs2: | Leeds United |
| Caps2: | 0 |
| Goals2: | 0 |
| Years3: | 1946–1950 |
| Clubs3: | York City |
| Caps3: | 36 |
| Goals3: | 0 |
| Years4: | 1950– |
| Clubs4: | Boston United |
| Totalcaps: | 36 |
| Totalgoals: | 0 |
John Duthoit (4 November 1918 – 2001) was an English professional footballer who played as a full back in the Football League for York City, in non-League football for Carlton United and Boston United and was on the books of Leeds United without making a league appearance.[1] [3]