Family name Rorrer (Rorrer 
) , in the world, is a rare surname. The last name Rorrer is habitual in the United States, where it is a rare surname, Canada, where it is an extremely rare surname, and the United Kingdom.
| VARIANT | COUNTRY |
|---|---|
| Rorrer | Brazil, United Kingdom, United States, Canada |
| gregory l rorrer researcher |
|
|
| julie rorrer researcher (ORCID 0000-0003-4401-8520) |
|
|
| nicholas a rorrer researcher |
|