Amynthas tokioensis, the Asian jumping worm, is a species of earthworm in the family Megascolecidae. It is native to Japan and the Korean Peninsula. It is an invasive species in North America.
These worms engage in parthenogenetic reproduction.
This worm was first described by Frank Evers Beddard in 1892 as Perichaeta tokioensis.
The IUCN declared it as of Least Concern in 2018.