"The Hounds of Tindalos" is a short story by Frank Belknap Long. It first appeared in Weird Tales (Volume 13, Issue 3) in 1929, and was later published in the collection, The Hounds of Tindalos, in 1946. The story tells of Halpin Chalmers, an author and journalist, who, following the consumption of the Chinese drug Liao, encounters extra dimensional creatures, referred to as The Hounds of Tindalos.