Calliphora is a genus of blow flies, also known as bottle flies, found in most parts of the world, with the highest diversity in Australia. The most widespread species in North America are Calliphora livida, C. vicina, and C. vomitoria.

Calliphora, meaning "bearer of beauty", was first formally named in 1830 by Jean-Baptiste Robineau-Desvoidy. It is the type genus of the family Calliphoridae.

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