Yukio is a rare boys' name that was most common in the 1920s and has all but disappeared.
Yukio is a boy name. It last appears in U.S. records in 1939. Yukio was first reported in SSA data in 1913 and peaked in 1922 (36 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 1939 | 5 | — | #3,965 |
| 1935 | 6 | — | #3,640 |
| 1934 | 11 | — | #2,391 |
| 1933 | 9 | — | #2,737 |
| 1932 | 16 | — | #1,921 |
| 1931 | 22 | — | #1,537 |
| 1930 | 18 | — | #1,820 |
| 1929 | 27 | — | #1,412 |
| 1928 | 22 | — | #1,646 |
| 1927 | 17 | — | #2,031 |
| 1926 | 21 | — | #1,719 |
| 1925 | 28 | — | #1,424 |
| 1924 | 19 | — | #1,893 |
| 1923 | 26 | — | #1,501 |
| 1922 | 36 | — | #1,220 |
| 1921 | 18 | — | #1,979 |
| 1920 | 20 | — | #1,818 |
| 1919 | 23 | — | #1,574 |
| 1918 | 15 | — | #2,164 |
| 1917 | 26 | — | #1,395 |
| 1916 | 19 | — | #1,697 |
| 1915 | 12 | — | #2,307 |
| 1914 | 6 | — | #3,260 |
| 1913 | 5 | — | #3,256 |