Extinctionism

Extinctionism and extinctionist may refer to:


 * Various theories about extinction of species, human race, social classes, etc.
 * Extinctionism (religious concept), about extinction of sinners in the afterlife
 * Voluntary Human Extinction Movement (VHEMT), a movement for human extinction via antinatalism
 * Extinctionists, a fictional radical group in Artemis Fowl (series), book 6