| John Colrain | |
| Fullname: | John James Colrain |
| Birth Date: | 1937 2, df=y |
| Birth Place: | Glasgow, Scotland |
| Death Place: | Glasgow, Scotland |
| Position: | Centre-forward |
| Youthyears1: | 1952–1953 |
| Youthclubs1: | Ashfield |
| Years1: | 1953–1955 |
| Years2: | 1954 |
| Years3: | 1955 |
| Years4: | 1955–1957 |
| Years5: | 1957–1960 |
| Years6: | 1960–1963 |
| Years7: | 1963–1966 |
| Years8: | 1966–1968 |
| Years9: | 1967 |
| Years10: | 1968–1971 |
| Clubs2: | → St Anthony's (loan) |
| Clubs3: | → Duntocher Hibernian (loan) |
| Clubs4: | British Army XI |
| Clubs8: | Glentoran |
| Clubs9: | → Detroit Cougars (loan) |
| Clubs10: | St Patrick's Athletic |
| Caps1: | 0 |
| Caps5: | 44 |
| Caps6: | 75 |
| Caps7: | 56 |
| Caps8: | ? |
| Caps9: | 3 |
| Caps10: | ? |
| Goals1: | 0 |
| Goals5: | 20 |
| Goals6: | 30 |
| Goals7: | 17 |
| Goals8: | 3 |
| Goals9: | 1 |
| Goals10: | 7 |
| Totalcaps: | 178 |
| Totalgoals: | 78 |
| Nationalyears1: | 1958 |
| Nationalteam1: | Scotland U23 |
| Nationalcaps1: | 1 |
| Nationalgoals1: | 0 |
| Nationalyears2: | 1959[1] |
| Nationalteam2: | SFA trial v SFL |
| Nationalcaps2: | 1 |
| Nationalgoals2: | 3 |
John James Colrain (4 February 1937 – 14 July 1984) was a Scottish football player and manager who played for Celtic, Clyde, Ipswich Town and Glentoran. He later managed Glentoran and St Patrick's Athletic.
Colrain played once for the Scotland national under-23 football team at inside-left in a 1–2 defeat to the Netherlands in April 1958.[2]