Justo is a rare boys' name that peaked in 1986 and has grown less common since.
Justo is a boy name. In 2025 it ranked #9,286 for boy births in the United States (and #19,177 across all names), given to 8 babies. Justo was first reported in SSA data in 1890 and peaked in 1986 (31 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 2025 | 8 | 8 | #9,286 |
| 2024 | 9 | 9 | #8,647 |
| 2023 | 9 | 9 | #8,565 |
| 2022 | 11 | 11 | #7,498 |
| 2021 | 14 | 14 | #6,177 |
| 2020 | 12 | 12 | #6,812 |
| 2019 | 14 | 14 | #6,250 |
| 2018 | 7 | 7 | #10,175 |
| 2017 | 8 | 8 | #9,262 |
| 2016 | 5 | 5 | #13,191 |
| 2015 | 10 | 10 | #7,762 |
| 2014 | 12 | 12 | #6,846 |
| 2013 | 10 | 10 | #7,816 |
| 2012 | 11 | 11 | #7,287 |
| 2011 | 9 | 9 | #8,417 |
| 2010 | 7 | 7 | #10,199 |
| 2009 | 8 | 8 | #9,417 |
| 2008 | 15 | 15 | #5,921 |
| 2007 | 15 | 15 | #5,790 |
| 2006 | 19 | 19 | #4,777 |
| 2005 | 19 | 19 | #4,557 |
| 2004 | 16 | 16 | #5,123 |
| 2003 | 7 | 7 | #9,149 |
| 2002 | 17 | 17 | #4,602 |
| 2001 | 17 | 22 | #4,589 |
| 2000 | 19 | 19 | #4,131 |
| 1999 | 20 | 20 | #3,767 |
| 1998 | 29 | 29 | #2,824 |
| 1997 | 19 | — | #3,673 |
| 1996 | 22 | — | #3,253 |
| 1995 | 17 | — | #3,764 |
| 1994 | 24 | — | #2,989 |
| 1993 | 19 | — | #3,436 |
| 1992 | 15 | — | #4,015 |
| 1991 | 28 | — | #2,499 |
| 1990 | 25 | — | #2,659 |
| 1989 | 29 | — | #2,327 |
| 1988 | 19 | — | #2,909 |
| 1987 | 20 | — | #2,677 |
| 1986 | 31 | — | #1,941 |
| 1985 | 26 | — | #2,150 |
| 1984 | 23 | — | #2,264 |
| 1983 | 18 | — | #2,622 |
| 1982 | 27 | — | #2,028 |
| 1981 | 28 | — | #1,971 |
| 1980 | 27 | — | #2,027 |
| 1979 | 19 | — | #2,512 |
| 1978 | 26 | — | #1,943 |
| 1977 | 18 | — | #2,514 |
| 1976 | 29 | — | #1,768 |
| 1975 | 21 | — | #2,169 |
| 1974 | 25 | — | #1,861 |
| 1973 | 22 | — | #1,956 |
| 1972 | 17 | — | #2,289 |
| 1971 | 19 | — | #2,170 |
| 1970 | 17 | — | #2,250 |
| 1969 | 17 | — | #2,086 |
| 1968 | 24 | — | #1,627 |
| 1967 | 19 | — | #1,837 |
| 1966 | 24 | — | #1,601 |
| 1965 | 20 | — | #1,792 |
| 1964 | 19 | — | #1,873 |
| 1963 | 17 | — | #2,004 |
| 1962 | 19 | — | #1,877 |
| 1961 | 14 | — | #2,289 |
| 1960 | 19 | — | #1,883 |
| 1959 | 16 | — | #2,073 |
| 1958 | 20 | — | #1,808 |
| 1957 | 14 | — | #2,231 |
| 1956 | 17 | — | #1,981 |
| 1955 | 13 | — | #2,262 |
| 1954 | 13 | — | #2,262 |
| 1953 | 11 | — | #2,457 |
| 1952 | 11 | — | #2,438 |
| 1951 | 24 | — | #1,542 |
| 1950 | 14 | — | #2,071 |
| 1949 | 8 | — | #2,905 |
| 1948 | 12 | — | #2,274 |
| 1947 | 14 | — | #2,119 |
| 1946 | 12 | — | #2,209 |
| 1945 | 15 | — | #1,820 |
| 1944 | 8 | — | #2,747 |
| 1943 | 21 | — | #1,557 |
| 1942 | 10 | — | #2,457 |
| 1941 | 13 | — | #2,046 |
| 1940 | 14 | — | #1,943 |
| 1939 | 6 | — | #3,290 |
| 1938 | 11 | — | #2,262 |
| 1937 | 5 | — | #3,795 |
| 1936 | 9 | — | #2,533 |
| 1935 | 8 | — | #2,825 |
| 1934 | 5 | — | #3,940 |
| 1933 | 10 | — | #2,454 |
| 1932 | 15 | — | #1,961 |
| 1931 | 12 | — | #2,269 |
| 1930 | 14 | — | #2,131 |
| 1929 | 8 | — | #3,116 |
| 1928 | 8 | — | #3,233 |
| 1927 | 7 | — | #3,637 |
| 1926 | 6 | — | #3,958 |
| 1925 | 16 | — | #2,047 |
| 1924 | 9 | — | #3,134 |
| 1923 | 10 | — | #2,855 |
| 1922 | 11 | — | #2,715 |
| 1921 | 14 | — | #2,315 |
| 1920 | 13 | — | #2,393 |
| 1919 | 11 | — | #2,591 |
| 1918 | 7 | — | #3,536 |
| 1916 | 7 | — | #3,346 |
| 1915 | 10 | — | #2,540 |
| 1914 | 10 | — | #2,192 |
| 1913 | 6 | — | #2,649 |
| 1912 | 7 | — | #2,146 |
| 1911 | 8 | — | #1,340 |
| 1910 | 5 | — | #1,725 |
| 1909 | 5 | — | #1,585 |
| 1890 | 5 | — | #1,081 |