Gustaf is a rare variant of Gustavo that peaked in 1917 and has since faded.
Gustaf is a boy name. It last appears in U.S. records in 2023. Gustaf was first reported in SSA data in 1880 and peaked in 1917 (25 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 2023 | 5 | 5 | #12,878 |
| 2020 | 8 | 8 | #9,011 |
| 2018 | 6 | 6 | #11,268 |
| 2017 | 10 | 10 | #7,783 |
| 2015 | 6 | 6 | #11,166 |
| 2014 | 8 | 8 | #9,067 |
| 2012 | 6 | 6 | #11,284 |
| 2011 | 7 | 7 | #9,995 |
| 2010 | 7 | 7 | #10,036 |
| 2009 | 6 | 6 | #11,480 |
| 2008 | 10 | 10 | #7,888 |
| 2007 | 11 | 11 | #7,265 |
| 2005 | 6 | 6 | #10,565 |
| 2004 | 6 | 6 | #10,426 |
| 2003 | 5 | 5 | #11,505 |
| 2002 | 7 | 7 | #8,780 |
| 2001 | 5 | 5 | #11,175 |
| 2000 | 5 | 5 | #10,996 |
| 1998 | 7 | 7 | #7,878 |
| 1997 | 9 | — | #6,273 |
| 1996 | 5 | — | #9,526 |
| 1995 | 8 | — | #6,605 |
| 1993 | 7 | — | #7,079 |
| 1992 | 7 | — | #6,943 |
| 1989 | 8 | — | #5,842 |
| 1986 | 9 | — | #4,605 |
| 1985 | 5 | — | #6,924 |
| 1984 | 5 | — | #6,694 |
| 1980 | 5 | — | #6,618 |
| 1976 | 6 | — | #5,172 |
| 1973 | 6 | — | #4,725 |
| 1962 | 5 | — | #4,284 |
| 1961 | 5 | — | #4,298 |
| 1959 | 5 | — | #4,225 |
| 1958 | 5 | — | #4,175 |
| 1956 | 7 | — | #3,335 |
| 1954 | 5 | — | #4,043 |
| 1953 | 6 | — | #3,577 |
| 1951 | 5 | — | #3,917 |
| 1941 | 6 | — | #3,290 |
| 1934 | 5 | — | #3,894 |
| 1933 | 6 | — | #3,435 |
| 1932 | 5 | — | #3,988 |
| 1931 | 5 | — | #4,001 |
| 1930 | 14 | — | #2,118 |
| 1929 | 11 | — | #2,501 |
| 1928 | 13 | — | #2,318 |
| 1927 | 5 | — | #4,434 |
| 1926 | 17 | — | #1,939 |
| 1925 | 10 | — | #2,830 |
| 1924 | 7 | — | #3,641 |
| 1923 | 11 | — | #2,682 |
| 1922 | 14 | — | #2,282 |
| 1921 | 15 | — | #2,194 |
| 1920 | 13 | — | #2,382 |
| 1919 | 21 | — | #1,659 |
| 1918 | 13 | — | #2,315 |
| 1917 | 25 | — | #1,411 |
| 1916 | 18 | — | #1,727 |
| 1915 | 24 | — | #1,386 |
| 1914 | 16 | — | #1,573 |
| 1913 | 15 | — | #1,399 |
| 1912 | 11 | — | #1,569 |
| 1911 | 6 | — | #1,622 |
| 1909 | 8 | — | #1,117 |
| 1908 | 8 | — | #1,058 |
| 1907 | 7 | — | #1,140 |
| 1906 | 6 | — | #1,178 |
| 1905 | 9 | — | #867 |
| 1904 | 5 | — | #1,284 |
| 1902 | 7 | — | #973 |
| 1901 | 5 | — | #1,120 |
| 1899 | 6 | — | #982 |
| 1898 | 7 | — | #926 |
| 1897 | 9 | — | #751 |
| 1896 | 8 | — | #853 |
| 1895 | 6 | — | #1,020 |
| 1894 | 6 | — | #1,009 |
| 1893 | 7 | — | #865 |
| 1891 | 8 | — | #729 |
| 1890 | 9 | — | #696 |
| 1889 | 10 | — | #643 |
| 1888 | 5 | — | #1,098 |
| 1887 | 9 | — | #652 |
| 1885 | 5 | — | #1,003 |
| 1884 | 11 | — | #584 |
| 1883 | 8 | — | #697 |
| 1882 | 7 | — | #791 |
| 1881 | 5 | — | #927 |
| 1880 | 6 | — | #859 |