Montlouis (French pronunciation: [mɔ̃lwi]) is a commune in the Cher department in the Centre-Val de Loire region of France.

A farming area comprising a small village and a couple of hamlets, situated some 23 miles (37 km) southwest of Bourges, at the junction of the D15 with the D940 road. The small river Auzon flows through the north of the commune.

Historical population

Year	Pop.	±%
1962	149	—
1968	180	+20.8%
1975	132	−26.7%
1982	124	−6.1%
1990	111	−10.5%
1999	120	+8.1%
2008	116	−3.3%

• The church of St. Martin, dating from the twelfth century (Historic monument).
• The medieval Maison de Varennes.

• Communes of the Cher department