Calotachina

{{Short description|Genus of flies}}

{{Use New Zealand English|date=July 2024}}

{{Automatic taxobox

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| taxon = Calotachina

| authority = Malloch, 1938{{cite journal |last1=Malloch |first1=J.R. |title=The calyptrate Diptera of New Zealand, Parts VIII and IX |journal=Transactions and Proceedings of the Royal Society of New Zealand |date=1938 |volume=68 |pages=161–258}}

| type_species = Calotachina tricolor

| type_species_authority = Malloch, 1938

| synonyms =

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Calotachina is a monotypic 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=1 July 2023 |date=5 March 2020}} The current sole member of the genus, Calotachina tricolor, is endemic to New Zealand.