Cognomen Reffo (Reffo 
) , in all the world, is quite a rare family name. The cognomen Reffo is habitual in Italy, where it is quite a rare surname, Switzerland, where it is a rare surname, and Uruguay. Measured by absolute frequency, it most frequently occurs in Italy, France, and Brazil. Very seldom, Reffo is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Reffo | Brazil, Italy, United States, France, Indonesia |
|
enrico reffo Italian painter (1831-1917), IT (b. 1831) |
|
| eugenio reffo IT (b. 1843) |
|
|
| geraldine reffo Founder and Managing Director, Gerry Reffo Coaching and Consulting Ltd, since 2009 (b. 1959) |
|
|
| patrizia reffo researcher |
|
|
| ricarda reffo German actress, DE (b. 1994) |
|
|
| silvio reffo IT (b. 1990) |
|
Mr, Marie, Mario, Marta, Marco, Mauro, Mirco, Micah, Misty, Silva, Stacy, Scott, Celso, Betty, Bobby, Breno, Bruno, Keith, Klara, Paula, Paola, Paolo, Maria, Igor, Emma, Eric, Ms, Lis, Joy, Ida, Mary, Sara, Seba, Alda, Anna, Arin, Peter, Carl, Lisa, Luca, Luis, Jacy, John, Juan, Tori, Tony, Nair, Elsa, Gael, and Piero