RyūjinJapanese It means "Dragon God" or "Dragon King". Using the kanjis 龍 (ryuu, ryou, tatsu) meaning "dragon", and 神 (kami, jin or shin) meaning "god". It can be read as Tatsugami as well.
RyūzakiJapanese From Japanese 竜, 龍 (ryū) meaning "dragon" and 崎 (saki) meaning "cape, peninsula". One bearer of this surname was actor Katsu Ryūzaki (竜崎 勝, 1940–1984), born Fumiaki Takashima (高島 史旭).
RzepkaPolish from rzepka, diminutive of rzepa ‘turnip’, either a nickname or a metonymic occupational name for a peasant who grew root vegetables.
RzewuskiPolish It indicates familial origin within the Podlachian village of Rzewuszki.
RzhevskyRussian Derived from Russian Ржев "Rzhev", a historical town between Moscow and Minsk, itself of unknown origin. This was the surname of a Russian noble family as well as Poruchik Dmitry Rzhevsky, a fictional character in the 1962 Soviet musical Hussar Ballad, often used in Russian jokes.
RzoncaPolish Nickname from Polish dialect rzonca, standard Polish rzodca ‘land steward’.