The Abominations of Yondo is a collection of fantasy, horror and science fiction short stories by American writer Clark Ashton Smith.

It was released in 1960 and was the author's fourth collection of stories published by Arkham House.

The collection contains stories from Smith's major story cycles of Hyperborea, Poseidonis, Averoigne and Zothique.

The title story is told by a man who has been released from being tortured by the priests of the lion-headed god Ong, and who tries to make his way to safety through the desert of Yondo, but is so perturbed by the horrors he encounters that he flees back to the realm of the torturers.

The Abominations of Yondo contains the following tales: