A callus removal apparatus includes a main body having opposite first and second end portions and an elongated configuration for ease of gripping by one hand, a callus scraping device fitted on the main body first end portion, and a callus sanding device fitted on and detachable from the main body second end portion. The callus scraping device has a head with an array of spaced-apart punched-through projections that extend upwardly from the head and have a plurality of jagged edges at a distal end thereof. The exposed projections are capable of removing pieces of a callus by moving the head across and in contact with the callus. The callus sanding device has a panel and a plurality of sanding particles attached on the panel and exposed at the exterior thereof and thus capable of removing pieces of a callus moving the panel across and in contact with the callus.