Risto Risto is a masculine given name, found in Finnish, Estonian and South Slavic. In South Slavic, it is a hypocorism derived from Hristofor or Hristivoje.
Radul Radul or Radule (Cyrillic: Радул) is a Slavic given name, derived from the word rad, meaning "work, care, joy". It is the base of the Serbian surnames of Radulović, Radulić, Raduljica, and the Russian and Bulgarian Radulov. Several toponyms are derived from the name, such as Radule, in Poland; Radulovtsi in Bulgaria, etc.
Radenko Radenko (Cyrillic script: Раденко) is a South Slavic masculine given name or East Slavic surname.
Radič Radič (Serbian Cyrillic: Радич) was a Serbian masculine given name, popular in the Middle Ages. It is derived from the Slavic word root rad- ("happy, eager, to care"), with the Slavic suffix -ič, a diminutive of Radoslav, Radomir, etc.
Radiša Radiša (Cyrillic script: Радиша) is a masculine given name of Slavic origin.
Radmilo Radmilo (Cyrillic script: Радмило) is a masculine given name of Slavic origin.
Radoje Radoje (Cyrillic script: Радоје) is a masculine given name of Slavic origin.
Radojko Radojko (Cyrillic script: Радојко) is a masculine given name of Slavic origin.
Radonja Radonja (Serbian Cyrillic: Радоња) is a masculine Serbian given name. It is derived from the word rad which means labour.
Radoš Radoš (Cyrillic script: Радош) is a masculine given name and a surname of Slavic origin.
Repoš Repoš (Serbian Cyrillic: Репош) was a name found in medieval Serbia; it was mentioned in 14th-century charters as a byname (or surname), and in the early 15th century as a given name.
Rodoljub Rodoljub (Serbian: Родољуб) is a Serbian masculine given name.
Ruvim Ruvim (Cyrillic: Рувим) or Rufim (Руфим), is a Christian name found in South and East Slavic cultures.
In the data base are, apart from modern and traditional first names also American, Arab, Germans, English, French, Greek, Hebrew, Italian, Latin, Dutch, Northern, Russian, Scandinavian, Slavian, Spanish, and Swedish first names.