In 2025, 1,241 US boys were named Otto, making it the 277th most common boys’ name of the year, down 3 places from #274 in 2024. That is 3 fewer than the 1,244 boys named Otto in 2024. Its best rank for boys was #63, reached in 1880. The most boys given the name in a single year was 1,244, in 2024. For comparison, it was #544 in 2015 and #552 in 1950.
Social Security card records list Otto in every one of the 146 years from 1880 to 2025; in 1880 there were 271 babies with the name. In all, 40,015 US babies have been given the name, 0.2% of them girls and 99.7% boys. Its busiest decade was the 2020s, with 6,527 babies named Otto.
Over the 10 years from 2016 to 2025, 9,130 US boys were named Otto; the busiest of those years was 2024, with 1,244. In 2025 that was about 1 in 1,376 of the boys in SSA’s list for the year.
Among the states, Otto ranked highest in North Dakota in 2025, at #59 for boys there. It was in the top 100 in 3 states (counting DC). Related spellings in the SSA files include Otho (3,328 babies since 1880). Rarer spellings such as Ota, Ottmar and Oto are summarised on this page.