Coust is a commune in the Cher department in the Centre-Val de Loire region of France.

An area of farming and forestry comprising a village and several hamlets situated by the banks of both the Cher and the small river Chignon some 26 miles (42 km) east of Bourges at the junction of the D1 with the D101 and the D2144 roads. The commune shares a border with the département of Allier.

Historical population

Year	Pop.	±%
1962	525	—
1968	525	+0.0%
1975	518	−1.3%
1982	460	−11.2%
1990	506	+10.0%
1999	475	−6.1%
2008	465	−2.1%

• The twelfth-century church of Notre-Dame.
• The ruins of the fourteenth-century castle of Le Creuzet.
• The remains of feudal fortifications at Meslon, and a dovecote.
• The chateau of Bonnais, dating from the thirteenth century.
• Three old washhouses.

• 
  The Chignon river
• 
  The church tower
• 
  Château du Creuzet
• 
  Château de Bonnais

• Communes of the Cher department

• Coust on the Quid website (in French)