Atomised, also known as The Elementary Particles, is a novel by the French author Michel Houellebecq, published in France in 1998. It tells the story of two half-brothers, Michel and Bruno, and their mental struggles against their situations in modern society. It was translated into English by Frank Wynne as Atomised in the UK and as The Elementary Particles in the US. It won the International Dublin Literary Award for writer and translator.

Michel Houellebecq is a French author of novels, poems and essays, as well as an occasional actor, filmmaker and singer.