The chemical formula C<sub>12</sub>H<sub>22</sub>O<sub>11</sub> (molar mass: 342.29 g/mol, exact mass : 342.116212) may refer to:
- Disaccharides
- Allolactose
- Cellobiose
- Galactose-alpha-1,3-galactose
- Gentiobiose (amygdalose)
- Isomaltose
- Isomaltulose
- Kojibiose
- Lactose (milk sugar)
- Lactulose
- Laminaribiose
- Maltose (malt sugar - cereal)
- 2α-Mannobiose
- 3α-Mannobiose
- Melibiose
- Melibiulose
- Nigerose
- Sophorose
- Sucrose (table sugar)
- Trehalose
- Trehalulose
- Turanose