Over the last few years, the genetics of non-parkinsonian movement disorders has exploded. After Parkinson disease (PD), the next most common condition seen in movement disorder clinics is dystonia. The number of DYT designations is now up to DYT25. The genetics of dystonia is complicated by phenocopies, incomplete penetrance, variable expressivity imprinting, and heterogeneity. The number of genetic etiologies for the group of disorders known as the neurodegenerations with brain iron accumulation (NBIAs), in which the typical presentation is dystonia with features of parkinsonism, has also expanded over the last few years. Additionally, more degenerative diseases labeled as neuronal ceroid-lipofuscinoses presented with myoclonus, epilepsy and dementia have been described. This chapter will review the current knowledge of the genetics of the large number of non-parkinsonian movement disorders.