Gnosis () is the common Greek noun for knowledge.

Gnosis may also refer to:

GNOSIS, a capability-based operating system Gnosis (artist) (), the artist's name signed upon the famous 'deer hunt mosaic' Gnosis (chaos magic), an altered state of consciousness in chaos magic Gnosis (Gnidrolog album), the fourth album of the British progressive rock band, Gnidrolog Gnosis (magazine), an American magazine published from 1985 to 1999 Gnosis (Monuments album), the debut studio album by British progressive metal band Monuments Gnosis (Russian Circles album), the eighth album by post-metal band Russian Circles Gnosis, a 2008 science fiction thriller novel by Adam Fawer Gnosis, antagonists in the role-playing video game series Xenosaga Gnosis, an item to represent an Archon's status in the video game Genshin Impact Unverified personal gnosis, spiritual belief not corroborated by historical texts or tradition Gnosis (neurology) is the capacity of the brain to perceive stimuli.