Interspecies

Interspecies may refer to:
 * Interspecific, something occurring between species
 * Interspecific competition
 * Interspecies communication
 * Interspecies friendship
 * Interspecies family
 * Interspecies quorum sensing
 * Interspecies sex
 * Interspecies erotica
 * Interspecies breeding
 * Interspecific pregnancy
 * An organization founded by Jim Nollman