Alcadia nitida is a species of an operculate land snail, terrestrial gastropod mollusk in the family Helicinidae.

(Original description in Latin) The shell is slightly depressed, thin, smooth, and deep flesh-colored.

It has a slightly convex shape both above and below, with a pointed apex.

It features five whorls that are minutely striated at the suture.

The outer lip is simple, sharp, sinuous, and sharply toothed at the columellar angle.