Colgan is an Irish surname, an Anglicized form of Irish Ó Colgáin meaning "descendant of Colga", a personal name based on colg "thorn," "sword." Notable people with the surname include:
| post code | city | state | latitude | longitude |
|---|---|---|---|---|
| 58844 | Colgan | ND | 48.94837 | -103.62825 |