Arnaldo is an uncommon variant of Arnold that peaked in 1989 and has since faded.
Arnaldo is a boy name. In 2025 it ranked #12,182 for boy births in the United States (and #25,158 across all names), given to 5 babies. Arnaldo was first reported in SSA data in 1915 and peaked in 1989 (90 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 2025 | 5 | 5 | #12,182 |
| 2024 | 9 | 9 | #8,368 |
| 2023 | 13 | 13 | #6,556 |
| 2022 | 12 | 12 | #6,864 |
| 2021 | 14 | 14 | #6,053 |
| 2020 | 16 | 16 | #5,473 |
| 2019 | 11 | 11 | #7,216 |
| 2018 | 9 | 14 | #8,209 |
| 2017 | 9 | 9 | #8,202 |
| 2016 | 11 | 18 | #7,183 |
| 2015 | 14 | 19 | #6,018 |
| 2014 | 9 | 9 | #8,195 |
| 2013 | 15 | 25 | #5,678 |
| 2012 | 15 | 29 | #5,734 |
| 2011 | 12 | 24 | #6,608 |
| 2010 | 15 | 28 | #5,756 |
| 2009 | 21 | 45 | #4,592 |
| 2008 | 17 | 35 | #5,263 |
| 2007 | 19 | 41 | #4,822 |
| 2006 | 21 | 46 | #4,374 |
| 2005 | 20 | 48 | #4,336 |
| 2004 | 22 | 44 | #4,017 |
| 2003 | 14 | 43 | #5,288 |
| 2002 | 25 | 43 | #3,458 |
| 2001 | 35 | 70 | #2,683 |
| 2000 | 25 | 54 | #3,303 |
| 1999 | 22 | 58 | #3,488 |
| 1998 | 24 | 72 | #3,197 |
| 1997 | 27 | — | #2,828 |
| 1996 | 29 | — | #2,597 |
| 1995 | 40 | — | #2,057 |
| 1994 | 39 | — | #2,085 |
| 1993 | 34 | — | #2,258 |
| 1992 | 63 | — | #1,453 |
| 1991 | 67 | — | #1,384 |
| 1990 | 81 | — | #1,217 |
| 1989 | 90 | — | #1,115 |
| 1988 | 41 | — | #1,709 |
| 1987 | 43 | — | #1,612 |
| 1986 | 61 | — | #1,229 |
| 1985 | 35 | — | #1,727 |
| 1984 | 46 | — | #1,399 |
| 1983 | 33 | — | #1,711 |
| 1982 | 52 | — | #1,293 |
| 1981 | 46 | — | #1,396 |
| 1980 | 37 | — | #1,594 |
| 1979 | 30 | — | #1,836 |
| 1978 | 60 | — | #1,135 |
| 1977 | 21 | — | #2,209 |
| 1976 | 18 | — | #2,422 |
| 1975 | 30 | — | #1,660 |
| 1974 | 35 | — | #1,473 |
| 1973 | 31 | — | #1,548 |
| 1972 | 24 | — | #1,822 |
| 1971 | 27 | — | #1,707 |
| 1970 | 28 | — | #1,619 |
| 1969 | 19 | — | #1,915 |
| 1968 | 15 | — | #2,113 |
| 1967 | 19 | — | #1,812 |
| 1966 | 30 | — | #1,402 |
| 1965 | 30 | — | #1,405 |
| 1964 | 24 | — | #1,617 |
| 1963 | 25 | — | #1,588 |
| 1962 | 33 | — | #1,367 |
| 1961 | 23 | — | #1,689 |
| 1960 | 20 | — | #1,816 |
| 1959 | 23 | — | #1,666 |
| 1958 | 30 | — | #1,421 |
| 1957 | 16 | — | #2,022 |
| 1956 | 15 | — | #2,095 |
| 1955 | 19 | — | #1,793 |
| 1954 | 9 | — | #2,754 |
| 1953 | 10 | — | #2,543 |
| 1952 | 8 | — | #2,885 |
| 1951 | 7 | — | #3,081 |
| 1950 | 14 | — | #2,028 |
| 1949 | 9 | — | #2,615 |
| 1947 | 8 | — | #2,876 |
| 1946 | 9 | — | #2,543 |
| 1945 | 5 | — | #3,354 |
| 1944 | 7 | — | #2,878 |
| 1943 | 7 | — | #2,978 |
| 1937 | 5 | — | #3,552 |
| 1930 | 6 | — | #3,613 |
| 1929 | 5 | — | #3,992 |
| 1925 | 6 | — | #3,760 |
| 1915 | 5 | — | #3,857 |