| Full name: | Jack Morrison Gregory |
| Born: | 14th August 1895, North Sydney, New South Wales, Australia |
| Died: | 7th August 1973, Bega, New South Wales, Australia |
| Batting: | Left-hand batter |
| Bowling: | Right-arm fast |
| Relations: | Cousin: SE Gregory; Cousin: CW Gregory; Father: CS Gregory; Grandfather: EW Gregory; Uncle: DW Gregory; Uncle: EJ Gregory; Uncle: AH Gregory |
| Teams: | Australia (Test: 1920/21-1928/29); New South Wales (Main FC: 1920/21-1928/29); All teams |
| Wisden Cricketer of the Year: 1922 | |
| Lists of matches and more detailed statistics | |
| Pictures: | JB Hobbs bowled by JM Gregory |
| CE Pellew (left) and JM Gregory coming out to continue their innings | |
| Test Career Batting and Fielding (1920/21-1928/29) | ||||||||||
| M | I | NO | Runs | HS | Ave | 100 | 50 | Ct | ||
| Australia | 24 | 34 | 3 | 1146 | 119 | 36.96 | 2 | 7 | 37 | |
| Test Career Bowling (1920/21-1928/29) | ||||||||||
| Balls | Mdns | Runs | Wkts | BB | Ave | 5wI | 10wM | SRate | Econ | |
| Australia | 5582 | 138 | 2648 | 85 | 7-69 | 31.15 | 4 | 0 | 65.67 | 2.84 |
| First-Class Career Batting and Fielding (1919-1928/29) | ||||||||||
| M | I | NO | Runs | HS | Ave | 100 | 50 | Ct | ||
| Overall | 129 | 173 | 18 | 5659 | 152 | 36.50 | 13 | 27 | 195 | |
| First-Class Career Bowling (1919-1928/29) | ||||||||||
| Balls | Mdns | Runs | Wkts | BB | Ave | 5wI | 10wM | SRate | Econ | |
| Overall | 22014 | 534 | 10580 | 504 | 9-32 | 20.99 | 33 | 8 | 43.67 | 2.88 |