Légna (French pronunciation: [leɲa]) 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.

Historical 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%

• Communes of the Jura department