Ruiziella

{{Short description|Genus of flies}}

{{Automatic taxobox

| image =

| image_caption =

| display_parents = 2

| taxon = Ruiziella

| authority = Cortés, 1951{{cite journal|first=Raúl|last=Cortés|year=1951|title=Nuevos géneros de Tachininae chilenos con cerdas facio-orbitales (Diptera, Tachinidae)|url=https://www.biodiversitylibrary.org/page/32160310|journal=Revista Chilena de Entomología|volume=1|pages=249–262|language=Spanish}}

| type_species = Ruiziella frontosa

| type_species_authority = Cortés, 1951

| synonyms =

}}

Ruiziella is a genus of flies in the family Tachinidae.{{cite web |last1=O’Hara |first1=James E. |last2=Henderson |first2=Shannon J. |first3=D. Monty |last3=Wood |title=Preliminary Checklist of the Tachinidae (Diptera) of the World|url=http://www.nadsdiptera.org/Tach/WorldTachs/Checklist/Tachchlist_ver2.1.pdf |website=Tachinidae Resources |access-date=14 June 2023 |date=5 March 2020}}