Callosa may stand for:
*
Callosa d'En Sarrià, a town in the comarca of La Marina Baixa, in the province of Alicante, Spain
*
Callosa de Segura, a town in the comarca of El Baix Segura, in the province of Alicante, Spain
* ''
Callosa'', a genus of
dwarf spiders
* ''Callosa'', a
species name
In taxonomy, binomial nomenclature ("two-term naming system"), also called binary nomenclature, is a formal system of naming species of living things by giving each a name composed of two parts, both of which use Latin grammatical forms, altho ...
See also
* ''Including use as a species name''
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