The Exterminator (1960 book), by William S. Burroughs

X-Terminator, a competitor in Robot Wars

Exterminator (horse), a racehorse, the winner of the 1918 Kentucky Derby

The Exterminator, a 1980 movie starring Robert Ginty.

The Exterminator set in the Doctor Who - Battles in Time card game

A practitioner in pest control.

The Exterminators (comics), a Vertigo comic book series.

Exterminator!, a 1973 short story collection also by Burroughs

Exterminator (roller coaster), an indoor roller coaster at Kennywood