Thriller is an American anthology television series that aired during the 1960–61 and 1961–62 seasons on NBC. The show featured host Boris Karloff introducing a mix of self-contained, macabre weird-horror and morbid, hitchockian crime stories, in some of which he also starred.

Thriller is a British television series, originally broadcast in the UK from 1973 to 1976. It is an anthology series: each episode has a self-contained story and its own cast. As the title suggests, each story is a thriller of some variety, from tales of the supernatural to down-to-earth whodunits.