Surname Susperregi (Susperregi 
) , worldwide, is a rare cognomen. The surname Susperregi is habitual in Southern Europe, particularly Spain, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Susperregi | Spain |
| mikel pk susperregi D. Phil. University of Oxford 1995, GB (b. 1968) |
|