List of birds of Sierra Leone
This is a list of the bird species recorded in Sierra Leone. The avifauna of Sierra Leone include a total of 677 species. 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, 2021 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 Sierra Leone.