| Position: | Right Wing |
| Shoots: | Right |
| Height Ft: | 5 |
| Height In: | 11 |
| Weight Lb: | 170 |
| Played For: | New York Rangers |
| Birth Date: | January 1, 1935 |
| Birth Place: | Divide, Saskatchewan, Canada |
| Career Start: | 1951 |
| Career End: | 1960 |
Leslie John Colwill (born January 1, 1935) is a Canadian retired ice hockey right winger who played 69 games in the National Hockey League for the New York Rangers during the 1958–59 season. The rest of his career, which lasted from 1955 to 1960, was mainly spent in the minor Western Hockey League.
| Regular season | Playoffs | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Season | Team | League | GP | PIM | GP | G | A | Pts | PIM | |||||
| 1951–52 | Lethbridge Native Sons | WCJHL | 28 | 11 | 7 | 18 | 0 | 4 | 5 | 2 | 7 | 0 | ||
| 1952–53 | Lethbridge Native Sons | WCJHL | 28 | 15 | 10 | 25 | 8 | 13 | 4 | 6 | 10 | 0 | ||
| 1952–53 | Lethbridge Native Sons | M-Cup | — | — | — | — | — | 11 | 1 | 3 | 4 | 0 | ||
| 1953–54 | Lethbridge Native Sons | WCJHL | 36 | 37 | 35 | 72 | 4 | 4 | 1 | 1 | 2 | 4 | ||
| 1954–55 | Lethbridge Native Sons | WCJHL | 38 | 20 | 32 | 52 | 23 | 11 | 4 | 9 | 13 | 0 | ||
| 1954–55 | Saskatoon Quakers | WHL | 2 | 0 | 0 | 0 | 0 | — | — | — | — | — | ||
| 1954–55 | Regina Pats | M-Cup | — | — | — | — | — | 2 | 1 | 0 | 1 | 4 | ||
| 1955–56 | Saskatoon Quakers | WHL | 70 | 17 | 21 | 38 | 37 | 3 | 2 | 1 | 3 | 2 | ||
| 1956–57 | Brandon Regals | WHL | 68 | 29 | 26 | 55 | 23 | 9 | 4 | 3 | 7 | 6 | ||
| 1957–58 | Saskatoon Regals/St. Paul Saints | WHL | 70 | 35 | 27 | 62 | 30 | — | — | — | — | — | ||
| 1958–59 | New York Rangers | NHL | 69 | 7 | 6 | 13 | 16 | — | — | — | — | — | ||
| 1959–60 | Vancouver Canucks | WHL | 66 | 17 | 22 | 39 | 10 | — | — | — | — | — | ||
| WHL totals | 276 | 98 | 96 | 194 | 100 | 12 | 6 | 4 | 10 | 8 | ||||
| NHL totals | 69 | 7 | 6 | 13 | 16 | — | — | — | — | — | ||||