This is a list of the bird species recorded in Kiribati, an island nation in the central Pacific Ocean. The avifauna of Kiribati include a total of 90 species, of which two are endemic, and 3 have been introduced by humans.
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, 2022 edition. The family accounts at the beginning of each heading reflect this taxonomy, as do the species counts found in each family account. Introduced and accidental species are included in the total counts for Kiribati.
The following tags have been used to highlight several categories. Not all species fall into one of these categories. Those that do not are commonly occurring native species.