Acanthoctenus is a genus of Central to South American wandering spiders first described by Eugen von Keyserling in 1877.
Female A. remotus are larger than males of the species, reaching a body length of about . Males only grow up to .
Acanthoctenus currently contains 13 described species:
Acanthoctenus mammifer was formerly placed in this genus, but was transferred to the genus Viracucha.