Dimethylnaphthalene may refer to:
1,2-Dimethylnaphthalene (1,2-DMN) 1,3-Dimethylnaphthalene (1,3-DMN) 1,4-Dimethylnaphthalene (1,4-DMN) 1,5-Dimethylnaphthalene (1,5-DMN) 1,6-Dimethylnaphthalene (1,6-DMN) 1,7-Dimethylnaphthalene (1,7-DMN) 1,8-Dimethylnaphthalene (1,8-DMN) 2,3-Dimethylnaphthalene (2,3-DMN) 2,6-Dimethylnaphthalene (2,6-DMN) 2,7-Dimethylnaphthalene (2,7-DMN)