C12H12

The molecular formula C12H12 may refer to one of many molecules, including:
 * Dodecaheptaene, a straight-chain polyene
 * Cyclododecahexaene ([12]annulene)
 * Cyclododecatriyne
 * [6]Radialene(hexaradialene)
 * Ten dimethylnaphthalene isomers, including:
 * 1,4-Dimethylnaphthalene
 * 2,6-Dimethylnaphthalene
 * Two ethylnapthalene isomers
 * 16 dimethylazulene isomers
 * Five isomers
 * Trivinylbenzene
 * Tricyclobutabenzene
 * [6]Prismane (hexaprismane)