| Jack Lyall | |
| Fullname: | John Lyall[1] |
| Birth Date: | 16 April 1881 |
| Birth Place: | Dundee, Scotland |
| Death Date: | [2] |
| Death Place: | Detroit, United States |
| Position: | Goalkeeper |
| Years1: | 1899–1901 |
| Clubs1: | Jarrow |
| Years2: | 1901–1909 |
| Clubs2: | Sheffield Wednesday |
| Caps2: | 263 |
| Goals2: | 0 |
| Years3: | 1909–1911 |
| Clubs3: | Manchester City |
| Caps3: | 40 |
| Goals3: | 0 |
| Years4: | 1911–1914 |
| Clubs4: | Dundee |
| Caps4: | 83 |
| Goals4: | 0 |
| Years5: | 1914–1915 |
| Clubs5: | Ayr United |
| Caps5: | 48 |
| Goals5: | 0 |
| Years6: | 1915–1917 |
| Clubs6: | Jarrow |
| Totalcaps: | 303 |
| Totalgoals: | 0 |
| Nationalyears1: | 1905 |
| Nationalteam1: | Scotland |
| Nationalcaps1: | 1 |
| Nationalgoals1: | 0 |
John Lyall (16 April 1881 – 17 February 1944) was a Scottish footballer who played as a goalkeeper.
Born in Dundee but raised on Tyneside,[3] Lyall played club football for Jarrow, Sheffield Wednesday, Manchester City and Dundee, and made one appearance for Scotland in 1905.[4]
He made 295 appearances in all competitions for Wednesday[5] and won the Football League title twice (1902–03, 1903–04) and the FA Cup once (1907) during his eight years with them.[4]
He made 44 appearances in all competitions for Manchester City[6] and won the Second Division title in 1909–10 during his time with them.[4]
Lyall served as a corporal in the Royal Engineers during the First World War and was deployed in India.[7] He later emigrated to the United States.[4] [3]