This is a list of the bird species recorded in San Marino. The avifauna of San Marino include a total of 130 species, none of which are introduced or endemic.
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. Accidental species are included in the total species count for San Marino.
The following tags highlight several categories of occurrence other than regular migrants and residents. The commonly occurring native species are untagged.