Ronaldo is an uncommon variant of Ronald that peaked in 1998 and has since faded.
Ronaldo is a boy name. In 2025 it ranked #1,988 for boy births in the United States (and #4,252 across all names), given to 77 babies. Ronaldo first appears in 1914 and peaked in 1998 (359 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 2025 | 77 | 77 | #1,988 |
| 2024 | 81 | 81 | #1,951 |
| 2023 | 84 | 84 | #1,890 |
| 2022 | 85 | 85 | #1,871 |
| 2021 | 81 | 81 | #1,899 |
| 2020 | 83 | 83 | #1,812 |
| 2019 | 83 | 83 | #1,838 |
| 2018 | 103 | 103 | #1,600 |
| 2017 | 119 | 119 | #1,447 |
| 2016 | 129 | 129 | #1,378 |
| 2015 | 160 | 160 | #1,164 |
| 2014 | 161 | 161 | #1,169 |
| 2013 | 148 | 148 | #1,215 |
| 2012 | 144 | 144 | #1,234 |
| 2011 | 154 | 154 | #1,166 |
| 2010 | 204 | 209 | #970 |
| 2009 | 196 | 196 | #1,005 |
| 2008 | 179 | 179 | #1,060 |
| 2007 | 212 | 212 | #937 |
| 2006 | 264 | 264 | #787 |
| 2005 | 201 | 201 | #898 |
| 2004 | 240 | 240 | #759 |
| 2003 | 236 | 236 | #756 |
| 2002 | 224 | 224 | #772 |
| 2001 | 167 | 167 | #934 |
| 2000 | 177 | 177 | #889 |
| 1999 | 253 | 253 | #670 |
| 1998 | 359 | 359 | #552 |
| 1997 | 157 | — | #885 |
| 1996 | 69 | — | #1,475 |
| 1995 | 36 | — | #2,247 |
| 1994 | 27 | — | #2,744 |
| 1993 | 18 | — | #3,624 |
| 1992 | 19 | — | #3,438 |
| 1991 | 20 | — | #3,203 |
| 1990 | 18 | — | #3,435 |
| 1989 | 49 | — | #1,638 |
| 1988 | 23 | — | #2,582 |
| 1987 | 25 | — | #2,319 |
| 1986 | 16 | — | #3,103 |
| 1985 | 25 | — | #2,215 |
| 1984 | 28 | — | #1,967 |
| 1983 | 29 | — | #1,897 |
| 1982 | 25 | — | #2,156 |
| 1981 | 21 | — | #2,398 |
| 1980 | 28 | — | #1,994 |
| 1979 | 29 | — | #1,897 |
| 1978 | 20 | — | #2,360 |
| 1977 | 21 | — | #2,255 |
| 1976 | 27 | — | #1,864 |
| 1975 | 21 | — | #2,188 |
| 1974 | 22 | — | #2,040 |
| 1973 | 16 | — | #2,486 |
| 1972 | 31 | — | #1,557 |
| 1971 | 27 | — | #1,739 |
| 1970 | 22 | — | #1,928 |
| 1969 | 22 | — | #1,798 |
| 1968 | 21 | — | #1,774 |
| 1967 | 29 | — | #1,440 |
| 1966 | 14 | — | #2,197 |
| 1965 | 18 | — | #1,903 |
| 1964 | 26 | — | #1,570 |
| 1963 | 24 | — | #1,652 |
| 1962 | 24 | — | #1,664 |
| 1961 | 21 | — | #1,813 |
| 1960 | 26 | — | #1,613 |
| 1959 | 25 | — | #1,617 |
| 1958 | 19 | — | #1,884 |
| 1957 | 23 | — | #1,712 |
| 1956 | 16 | — | #2,075 |
| 1955 | 21 | — | #1,718 |
| 1954 | 20 | — | #1,750 |
| 1953 | 18 | — | #1,884 |
| 1952 | 11 | — | #2,483 |
| 1951 | 15 | — | #2,037 |
| 1950 | 11 | — | #2,417 |
| 1949 | 10 | — | #2,583 |
| 1948 | 8 | — | #2,970 |
| 1947 | 10 | — | #2,644 |
| 1946 | 8 | — | #2,877 |
| 1945 | 6 | — | #3,266 |
| 1944 | 8 | — | #2,827 |
| 1943 | 6 | — | #3,492 |
| 1942 | 7 | — | #3,166 |
| 1941 | 6 | — | #3,437 |
| 1940 | 8 | — | #2,828 |
| 1939 | 8 | — | #2,787 |
| 1938 | 9 | — | #2,617 |
| 1937 | 8 | — | #2,863 |
| 1936 | 5 | — | #3,971 |
| 1934 | 5 | — | #4,122 |
| 1932 | 5 | — | #4,197 |
| 1930 | 8 | — | #3,244 |
| 1929 | 7 | — | #3,499 |
| 1928 | 5 | — | #4,629 |
| 1925 | 5 | — | #4,765 |
| 1922 | 5 | — | #4,840 |
| 1921 | 8 | — | #3,454 |
| 1917 | 5 | — | #4,466 |
| 1914 | 6 | — | #3,202 |