Diania is a rare variant of Diane that was most common in the 1950s and has all but disappeared.
Diania is a girl name. It last appears in U.S. records in 1984. Diania was first reported in SSA data in 1941 and peaked in 1957 (34 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 1984 | 5 | — | #10,841 |
| 1983 | 5 | — | #10,706 |
| 1980 | 5 | — | #10,807 |
| 1978 | 9 | — | #6,529 |
| 1975 | 8 | — | #6,660 |
| 1974 | 8 | — | #6,390 |
| 1973 | 7 | — | #6,846 |
| 1972 | 8 | — | #6,089 |
| 1971 | 6 | — | #7,627 |
| 1970 | 10 | — | #5,144 |
| 1969 | 8 | — | #5,574 |
| 1968 | 15 | — | #3,489 |
| 1967 | 11 | — | #4,106 |
| 1966 | 12 | — | #3,789 |
| 1965 | 8 | — | #4,943 |
| 1964 | 22 | — | #2,695 |
| 1963 | 15 | — | #3,372 |
| 1962 | 19 | — | #2,840 |
| 1961 | 21 | — | #2,693 |
| 1960 | 25 | — | #2,387 |
| 1959 | 25 | — | #2,301 |
| 1958 | 28 | — | #2,127 |
| 1957 | 34 | — | #1,877 |
| 1956 | 18 | — | #2,745 |
| 1955 | 21 | — | #2,422 |
| 1954 | 27 | — | #2,037 |
| 1953 | 25 | — | #2,086 |
| 1952 | 21 | — | #2,282 |
| 1951 | 26 | — | #1,931 |
| 1950 | 26 | — | #1,875 |
| 1949 | 17 | — | #2,434 |
| 1948 | 23 | — | #2,022 |
| 1947 | 30 | — | #1,766 |
| 1946 | 20 | — | #2,105 |
| 1945 | 17 | — | #2,084 |
| 1944 | 11 | — | #2,809 |
| 1943 | 13 | — | #2,586 |
| 1942 | 10 | — | #3,039 |
| 1941 | 5 | — | #4,566 |