Surname Rojkin (Rojkin 
, Ройкин 
, Рожкин 
) , all over the world, is a rare cognomen. The cognomen Rojkin is habitual in Argentina, where it is a rare surname, Russia, and Kyrgyzstan. Measured by absolute frequency, this name is the most popular in Russia, Argentina, and Poland.
| VARIANT | COUNTRY |
|---|---|
| Rojkin | Brazil, Argentina, Poland, Mexico, Malaysia |
| Ройкин | Kyrgyzstan, Russia, Kazakhstan |
| Рожкин | Belarus, Ukraine, Russia, Kazakhstan |
Mr, Analia, Arturo, Adrian, Celina, Benito, Ramiro, Rebeca, Daniel, Josefa, Esther, Haydee, Mariela, Armando, Adriana, Ricardo, Gustavo, Gerardo, Julieta, Justina, Nicolas, Eduardo, Alicia, Enrique, Silvia, Miguel, Ms, Ana, Maia, Sara, Luis, Hugo, Maria, Marã, Sally, Sofia, Soña, Arian, Paula, Ramon, David, Jorge, Fanny, Faña, Marcos, María, Manuel, Samuel, and Isolina