437
Ryoos in the USA48347th
most common last name in the USARyoo Genealogy
OriginsThe Ryoo surname is predominantly Korean, with its origins traced back to ancient Korea. It is mainly found among ethnic Koreans in South Korea and other Korean diaspora communities.
Geographic DistributionThe Ryoo surname is most popular in South Korea, where it is deeply rooted in the country's history, culture, and population.