Comac is the Commercial Aircraft Corporation of China.

COMAC or Comac may also refer to:

• Comac (youth movement), a Belgian socialist student movement

• Communes of the Eure-et-Loir department
• Communes of the Finistère department
• Communes of the Gard department
• Communes of the Gers department
• Communes of the Gironde department
• Communes of the Guadeloupe department
• Communes of the Guadeloupe département of France
• Communes of the Guyane department
• Communes of the Haute-Corse department
• Communes of the Haute-Garonne department
• Communes of the Haute-Loire department
• Communes of the Haute-Loire département of France
• Communes of the Haute-Marne department
• Communes of the Hautes-Alpes department
• Communes of the Haute-Savoie department
• Communes of the Haute-Saône department
• Communes of the Hautes-Pyrénées department
• Communes of the Haute-Vienne department
• Communes of the Haut-Rhin department
• Communes of the Hauts-de-Seine department
• Communes of the Hérault department
• Communes of the Ille-et-Vilaine department
• Communes of the Indre department
• Communes of the Indre département of France
• Communes of the Indre-et-Loire department