Hystrix

Hystrix may refer to:
 * Ichthyosis hystrix, a class of rare skin disorder characterized by massive hyperkeratosis with an appearance like spiny scales

Biology

 * Hystrix (diatom), a diatom genus
 * Hystrix (plant), a plant genus in the family Poaceae
 * Hystrix (mammal), a rodent genus

Computing

 * a library to implement the bulkhead pattern from Netflix, see Hystrix