Standardized gene naming is crucial for effective communication about genes, and as genomics becomes increasingly important in health care, the need for a consistent language to refer to human genes becomes ever more essential. Here, we present the current HUGO Gene Nomenclature Committee (HGNC) guidelines for naming not only protein-coding genes but also RNA genes and pseudogenes, and we outline the changes in approach and ethos that have resulted from the discoveries of the past few decades.