Cognomen Brittanny (Brittanny 
) , in the world, is an extremely rare family name. The family name Brittanny is characteristic of Latin America and the Caribbean, particularly Mexico, where it is an extremely rare surname. Much more frequently, Brittanny is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Brittanny | United Kingdom, Australia, Mexico, United States, Canada |
| blanche of brittanny consort countess of Armagnac (b. 1397) |
|
Cox, Krause, Payton, Latham, Jensen, Taylor, Torres, Tinoco, Norton, Holden, French, Waters, Wiener, Spencer, Bradley, Proctor, Dunworth, Jackson, Johnson, Edwards, Hancock, Schaefer, Keenan, Bowman, Seibel, Sierra, Lee, Lutz, Mertz, Soule, Smith, Cazee, Craig, Beaty, Bogan, Brown, Anderson, Pabon, Diehl, Grant, Lyles, Jaxon, Evans, Hardy, Yando, Martin, Maupin, Miller, Davis, and Campbell