Légna
# Légna

Légna (French pronunciation: ​) is a former commune in the Jura department in Bourgogne-Franche-Comté in eastern France. On 1 January 2017, it was merged into the new commune Valzin en Petite Montagne.

## Population

| Year | Pop. | ±% |
| - | - | - |
| 1793 | 211 | — |
| 1806 | 229 | +8.5% |
| 1821 | 222 | −3.1% |
| 1831 | 487 | +119.4% |
| 1841 | 451 | −7.4% |
| 1851 | 445 | −1.3% |
| 1861 | 423 | −4.9% |
| 1872 | 409 | −3.3% |
| 1881 | 351 | −14.2% |
| 1891 | 363 | +3.4% |
| 1901 | 337 | −7.2% |
| 1911 | 315 | −6.5% |
| Year | Pop. | ±% |
| 1921 | 294 | −6.7% |
| 1931 | 243 | −17.3% |
| 1946 | 237 | −2.5% |
| 1954 | 214 | −9.7% |
| 1962 | 205 | −4.2% |
| 1968 | 188 | −8.3% |
| 1975 | 177 | −5.9% |
| 1982 | 187 | +5.6% |
| 1990 | 156 | −16.6% |
| 1999 | 149 | −4.5% |
| 2006 | 173 | +16.1% |
| 2012 | 207 | +19.7% |
