Dian is an uncommon variant of Diane that peaked in 1946 and has since faded.
Dian is predominantly a girl name. It last appears in U.S. records in 2025. Dian was first reported in SSA data in 1912 and peaked in 1946 (287 births).
| Year | U.S. births | U.S. + territories | ♀ Rank | ♂ Rank |
|---|---|---|---|---|
| 2025 | 11 | 11 | — | #7,310 |
| 2024 | 17 | 17 | — | #5,496 |
| 2023 | 11 | 11 | — | #7,395 |
| 2022 | 17 | 17 | — | #5,492 |
| 2021 | 9 | 9 | — | #8,341 |
| 2020 | 20 | 20 | — | #4,743 |
| 2019 | 9 | 9 | — | #8,375 |
| 2018 | 9 | 9 | — | #8,326 |
| 2017 | 8 | 8 | — | #9,058 |
| 2016 | 8 | 8 | — | #9,055 |
| 2015 | 13 | 13 | #17,171 | #8,954 |
| 2013 | 5 | 5 | — | #12,619 |
| 2012 | 5 | 5 | — | #12,748 |
| 2011 | 7 | 7 | — | #9,904 |
| 2010 | 8 | 8 | — | #9,004 |
| 2009 | 15 | 15 | #15,769 | #8,473 |
| 2008 | 12 | 12 | — | #6,858 |
| 2007 | 11 | 17 | #18,392 | #11,290 |
| 2005 | 8 | 8 | #12,140 | — |
| 2004 | 14 | 14 | #10,928 | #11,821 |
| 2003 | 11 | 11 | #14,366 | #11,337 |
| 2001 | 11 | 11 | #14,016 | #11,024 |
| 2000 | 8 | 8 | #11,016 | — |
| 1999 | 7 | 7 | #11,711 | — |
| 1998 | 10 | 10 | #8,773 | — |
| 1997 | 7 | — | #11,168 | — |
| 1996 | 7 | — | #10,881 | — |
| 1995 | 7 | — | #10,825 | — |
| 1994 | 7 | — | #10,885 | — |
| 1993 | 10 | — | #8,231 | — |
| 1992 | 18 | — | #6,751 | #8,766 |
| 1991 | 16 | — | #7,553 | #8,540 |
| 1990 | 7 | — | #10,517 | — |
| 1989 | 9 | — | #8,222 | — |
| 1988 | 16 | — | #5,119 | — |
| 1987 | 20 | — | #4,165 | — |
| 1986 | 14 | — | #5,250 | — |
| 1985 | 11 | — | #6,142 | — |
| 1984 | 18 | — | #4,203 | — |
| 1983 | 15 | — | #4,731 | — |
| 1982 | 23 | — | #3,551 | — |
| 1981 | 12 | — | #5,648 | — |
| 1980 | 11 | — | #6,018 | — |
| 1979 | 14 | — | #4,899 | — |
| 1978 | 10 | — | #6,059 | — |
| 1977 | 11 | — | #5,604 | — |
| 1976 | 15 | — | #4,206 | — |
| 1975 | 14 | — | #4,412 | — |
| 1974 | 17 | — | #3,736 | — |
| 1973 | 25 | — | #2,773 | — |
| 1972 | 22 | — | #2,990 | — |
| 1971 | 37 | — | #2,186 | — |
| 1970 | 40 | — | #2,053 | — |
| 1969 | 38 | — | #2,035 | — |
| 1968 | 44 | — | #1,782 | — |
| 1967 | 58 | — | #1,466 | — |
| 1966 | 64 | — | #1,371 | — |
| 1965 | 68 | — | #1,327 | — |
| 1964 | 72 | — | #1,322 | — |
| 1963 | 81 | — | #1,221 | — |
| 1962 | 88 | — | #1,168 | — |
| 1961 | 98 | — | #1,109 | — |
| 1960 | 105 | — | #1,047 | — |
| 1959 | 135 | — | #896 | — |
| 1958 | 133 | — | #884 | — |
| 1957 | 136 | — | #871 | — |
| 1956 | 142 | — | #831 | — |
| 1955 | 140 | — | #818 | — |
| 1954 | 153 | — | #749 | — |
| 1953 | 178 | — | #675 | — |
| 1952 | 147 | — | #745 | #3,865 |
| 1951 | 199 | — | #609 | — |
| 1950 | 180 | — | #637 | — |
| 1949 | 189 | — | #600 | — |
| 1948 | 199 | — | #591 | — |
| 1947 | 242 | — | #541 | — |
| 1946 | 287 | — | #459 | — |
| 1945 | 196 | — | #522 | — |
| 1944 | 173 | — | #552 | — |
| 1943 | 196 | — | #536 | — |
| 1942 | 196 | — | #530 | — |
| 1941 | 175 | — | #529 | — |
| 1940 | 125 | — | #630 | — |
| 1939 | 125 | — | #603 | — |
| 1938 | 111 | — | #650 | — |
| 1937 | 57 | — | #911 | — |
| 1936 | 44 | — | #1,054 | — |
| 1935 | 44 | — | #1,041 | — |
| 1934 | 44 | — | #1,050 | — |
| 1933 | 51 | — | #960 | — |
| 1932 | 59 | — | #915 | — |
| 1931 | 18 | — | #1,897 | — |
| 1930 | 26 | — | #1,540 | — |
| 1929 | 13 | — | #2,468 | — |
| 1928 | 12 | — | #2,653 | — |
| 1927 | 7 | — | #3,954 | — |
| 1926 | 8 | — | #3,646 | — |
| 1925 | 8 | — | #3,759 | — |
| 1924 | 6 | — | #4,590 | — |
| 1923 | 6 | — | #4,512 | — |
| 1912 | 5 | — | #3,076 | — |