This is a list of the bird species recorded in Kazakhstan. The avifauna of Kazakhstan include a total of 513 species, of which five are rare or accidental. This list's taxonomic treatment (designation and sequence of orders, families and species) and nomenclature (common and scientific names) follow the conventions of The Clements Checklist of Birds of the World, 6th edition. The family accounts at the beginning of each heading reflect this taxonomy, as do the species counts found in each family account. Accidental species are included in the total species count for Kazakhstan.