Acteon splendidulus is a species of sea snail, a marine gastropod mollusc in the family Acteonidae.

It contains about five whorls, the body whorl impressed with spiral lines, punctate along their bottoms, very distant in the middle of the body whorl, but toward the base becoming closer and in pairs.

The spire is elevated, with two punctate lines.

The columellar fold is oblique, but little projecting.

[2] This marine species occurs in the Caribbean Sea off Panama Curaçao, the Virgin Islands and Suriname; in the Atlantic Ocean off the Bahamas