Family name Poitrine (Pretina 
, Poitrine 
) , in the entire world, is a very rare last name. The family name Poitrine is characteristic of Switzerland, where it is a rare surname, France, where it is a very rare surname, and Philippines, where it is an extremely rare surname. More prevalently, Poitrine is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Pretina | India, Philippines, Democratic Republic of the Congo, Italy, Brazil |
| Poitrine | Switzerland, France, United States |
|
geneviève poitrine French wet nurse to Royals, FR (b. 1750) |
|