In 2025, 59 US boys were named Ryu, making it the 2,352nd most common boys’ name of the year, down 917 places from #1,435 in 2024. That is 68 fewer than the 127 boys named Ryu in 2024. Its best rank for boys was #1,320, reached in 2012. That year also had the most boys given the name: 130. For comparison, it was #2,347 in 2015 and unranked in 1950.
Social Security card records list Ryu in 34 years of the 146 from 1880 to 2025, starting in 1985 with 5 babies. In all, 1,690 US babies have been given the name, 0.3% of them girls and 99.7% boys. Its busiest decade was the 2010s, with 741 babies named Ryu.
Over the 10 years from 2016 to 2025, 753 US boys were named Ryu; the busiest of those years was 2024, with 127. In 2025 that was about 1 in 28,950 of the boys in SSA’s list for the year.
Among the states, Ryu ranked highest in California in 2025, at #1,231 for boys there. It was not in the top 100 of any state. Related spellings in the SSA files include Rey (10,222 babies since 1880), Rio (7,812 babies since 1880), Riya (6,273 babies since 1880) and Ria (4,115 babies since 1880).