A community curation resource for genomic variation in miRNA loci. miRvar provides a user friendly interface to search variants in different miRNAs and has information about the variant position and the allele change in the respective miRNA, in addition to making it easy to browse for information through linkouts like miRBase, UCSC Genome Browser, miR2Disease, 1000 Genomes Project and miRecords. The variant files can be downloaded from the database in standard meta-tagged format to enable interoperability with other resources. We have also enabled the data for visualization on genome browser including the UCSC genome browser. The database also provides a search page to search for miRNAs using their names, disease associations, location of SNP on the hairpin structure and chromosome. The database is open for curation and data suggestions from the community.