Callus is an area of toughened skin.
Callus may also refer to:
Fibrocartilage callus, the temporary new bony tissue that forms at the ends of a fractured bone Callus (botany), a fleshy lump of tissue on the labellum (or lip) of orchid flowers Callus (cell biology), a mass of unorganized cells Callus (mollusc), a thickened layer of shell material Callus (album), a 2016 album by Gonjasufi
See also Calus (disambiguation) Callús, a municipality in Catalonia, Spain Thick skin (disambiguation) Callous, a trait where a person lacks empathy, or at least ignores it; hardhearted