show Abstracthide AbstractTo understand the diversity of expression states within melanoma tumors, we obtained freshly resected samples, dissagregated the samples, sorted into single cells and profiled them by single-cell RNA-seq. Overall design: Tumors were disaggregated, sorted into single cells, and profiled by Smart-seq2. *Raw data files absent for samples GSM1851356 and GSM1851494.* **Submitter declares reads will be made available through dbGaP.** Please note that the processed data file (melanoma_single_cell_revised_v2.txt) contains two additional sample characteristis ("classification (based on inferred cnvs)" and "cell types for non-malignant cells").