Neuilly-en-Dun (French pronunciation: [nœji ɑ̃ dœ̃]) is a commune in the Cher department in the Centre-Val de Loire region of France.

An area of lakes, streams and farming comprising the village and several hamlets situated by the banks of the Auron and Sagonin rivers and the canal de Berry, some 28 miles (45 km) southeast of Bourges, at the junction of the D91 and the D76 roads.

Historical population

Year	Pop.	±%
1962	396	—
1968	397	+0.3%
1975	383	−3.5%
1982	338	−11.7%
1990	277	−18.0%
1999	258	−6.9%
2008	304	+17.8%

• The church of St. Roch, dating from the twelfth century
• The sixteenth-century chateau of Lienesse, with a dovecote.

• Communes of the Cher department