Cognomen Colleran (Colleran 
) , across the world, is quite a rare last name. The cognomen Colleran is characteristic of British Virgin Islands, where it is a common surname, Ireland, where it is quite a rare surname, and Australia, where it is a rare surname. Measured by absolute frequency, it most frequently occurs in the United States, Ireland, and the United Kingdom.
| VARIANT | COUNTRY |
|---|---|
| Colleran | British Virgin Islands, United Kingdom, Ireland, Australia, United States |
| noel colleran Gaelic football player, IE (b. 1944) |
|
|
| emer colleran Irish microbiologist, IE (b. 1945) |
|
|
| brendan colleran Gaelic football player, IE (b. 1948) |
|
|
| mandy colleran British comedian, GB (b. 1962) |
|
|
| ger colleran Irish journalist |
|
|
| john colleran researcher ORCID ID = 0000-0001-5694-9010 |
|
|
| paul colleran college basketball player (1965–1966) Fordham |
|
|
| heidi colleran researcher |
|
|
| bill colleran |
|