Cognomen Pitt-Brown (Pitt-Brown 
) , in the world, is an extremely rare last name. The surname Pitt-Brown is habitual in Northern Europe, particularly the United Kingdom, where it is an extremely rare surname. Parts of the name also exists independently as a last name Pitt, and a last name Brown.
| VARIANT | COUNTRY |
|---|---|
| Pitt-Brown | United Kingdom |