Eatoniella varicolor is a species of marine gastropod mollusc in the family Eatoniellidae.

Eatoniella varicolor has an ovate, conic, smooth shell.

[3] The species resembles Eatoniella lutea, which often overlaps in range.Eatoniella varicolor can be distinguished by its smaller size, dark protoconch and thinner shell.

[1] The holotype was collected by Ponder himself on 27 March 1963 at Narrow Neck on the North Shore, Auckland, and was found on brown algae in rock pools.

[10] The species prefers to live on brown algae, typically Carpophyllum plumosum, however has sometimes been found on Corallina.